GIGABYTE GeForce RTX 4090 GAMING OC 24G
vs
KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
GPU comparison with benchmarksIn the gpu comparison between the GIGABYTE GeForce RTX 4090 GAMING OC 24G and the KFA2 GeForce RTX 4080 16GB SG (1-Click OC), we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe GIGABYTE GeForce RTX 4090 GAMING OC 24G is based on the NVIDIA GeForce RTX 4090 and has 16384 texture shaders and 128 execution units. KFA2 GeForce RTX 4080 16GB SG (1-Click OC) is based on NVIDIA GeForce RTX 4080, which has 9728 shaders and 76 execution units. |
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| GIGABYTE GeForce RTX 4090 GAMING OC 24G | GPU | KFA2 GeForce RTX 4080 16GB SG (1-Click OC) |
| NVIDIA GeForce RTX 4090 | Based on | NVIDIA GeForce RTX 4080 |
| AD102-300-A1 | GPU Chip | AD103-300-A1 |
| Ada Lovelace | Architecture | Ada Lovelace |
| 128 | Streaming Multiprocessors | 76 |
| 16384 | Shader | 9728 |
| 176 | Render Output Units | 112 |
| 512 | Texture Units | 304 |
| 128 | Raytracing Cores | 76 |
MemoryThe GIGABYTE GeForce RTX 4090 GAMING OC 24G has 24 GB of graphics memory of the type GDDR6X and achieves a memory bandwidth of 1008 GB/s. The KFA2 GeForce RTX 4080 16GB SG (1-Click OC) can access 16 GB GDDR6X graphics memory and thus achieves a memory bandwidth of 717 GB/s. |
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| 24 GB | Memory Size | 16 GB |
| GDDR6X | Memory Type | GDDR6X |
| 1.313 GHz | Memory Clock | 1.400 GHz |
| 21.0 Gbps | Memory Speed | 22.4 Gbps |
| 1008 GB/s | Memory bandwidth | 717 GB/s |
| 384 bit | Memory Interface | 256 bit |
Clock SpeedsThe GIGABYTE GeForce RTX 4090 GAMING OC 24G clocks in the base with up to 2.235 GHz. The base frequency of the KFA2 GeForce RTX 4080 16GB SG (1-Click OC) is 2.205 GHz. |
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| 2.235 GHz | Base Clock | 2.205 GHz |
| 2.535 GHz | Boost Clock | 2.580 GHz |
| Avg (Game) Clock | ||
| Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the GIGABYTE GeForce RTX 4090 GAMING OC 24G is 450 W. The graphics card is supplied with energy via the 1 x 16-Pin connector. The KFA2 GeForce RTX 4080 16GB SG (1-Click OC) has a TDP of 320 W and is supplied with the required energy via 1 x 16-Pin PCIe power connectors. |
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| 450 W | TDP | 320 W |
| 450 W | TDP (up) | -- |
| 90 °C | Tjunction max | 90 °C |
| 1 x 16-Pin | PCIe-Power | 1 x 16-Pin |
Cooler & FansThe GIGABYTE GeForce RTX 4090 GAMING OC 24G has a total of 3 Axial fans. The KFA2 GeForce RTX 4080 16GB SG (1-Click OC) has 3 Axial fans to cool the GPU and memory. |
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| Axial | Fan-Type | Axial |
| 3 x 110 mm | Fan 1 | 3 x 102 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | -- |
ConnectivityIn the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the GIGABYTE GeForce RTX 4090 GAMING OC 24G. The KFA2 GeForce RTX 4080 16GB SG (1-Click OC) supports a maximum of 4 screens. |
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| 4 | Max. Displays | 4 |
| 2.3 | HDCP-Version | 2.3 |
| 1x HDMI v2.1 | HDMI Ports | 2x HDMI v2.1a |
| 3x DP v1.4a | DP Ports | 3x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe GIGABYTE GeForce RTX 4090 GAMING OC 24G supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the KFA2 GeForce RTX 4080 16GB SG (1-Click OC) is 7680x4320 pixels. |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12_2 (Ultimate) | DirectX | 12_2 (Ultimate) |
| Yes | Raytracing | Yes |
| Yes | DLSS / FSR | Yes |
| GIGABYTE RGB Fusion | LED | Addressable LED |
Supported Video CodecsThe support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos. |
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| Decode / Encode | h264 | Decode / Encode |
| Decode / Encode | h265 / HEVC | Decode / Encode |
| Decode | AV1 | Decode |
| Decode | VP8 | Decode |
| Decode | VP9 | Decode |
DimensionsThe GIGABYTE GeForce RTX 4090 GAMING OC 24G is 340 mm long, 150 mm high and 75 mm wide. The KFA2 GeForce RTX 4080 16GB SG (1-Click OC) is 352 mm long, 153 mm high and 66 mm wide. |
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| 340 mm | Length | 352 mm |
| 150 mm | Height | 153 mm |
| 75 mm | Width | 66 mm |
| 4 PCIe-Slots | Width (Slots) | 4 PCIe-Slots |
| -- | Weight | -- |
| PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataThe GIGABYTE GeForce RTX 4090 GAMING OC 24G was released in Q4/2022 at a price of 1,999 $. The KFA2 GeForce RTX 4080 16GB SG (1-Click OC) was introduced in Q4/2022 at a price of 1,199 $ (Reference). |
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| GV-N4090GAMING OC-24GD | Part-no | -- |
| Q4/2022 | Release date | Q4/2022 |
| 1,999 $ | Launch Price | 1,199 $ (Reference) |
| 5 nm | Structure size | 5 nm |
| data sheet | Documents | data sheet |
2.235 GHz, 24 GB (450 W TDP)
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2.205 GHz, 16 GB (320 W TDP)
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Benchmark results
3DMark Benchmark (DirectX, Raytracing)
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
Time Spy Extreme Graphics score
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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Port Royal (Raytracing)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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Speed Way Graphics Score (Raytracing)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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Cyberpunk 2077
Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.
3840x2160 (2160p)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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2560x1440 (1440p)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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1920x1080 (1080p)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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The Last of Us Part 1
The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.
3840x2160 (2160p)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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2560x1440 (1440p)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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1920x1080 (1080p)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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Battlefield 5
Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.
3840x2160 (2160p)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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2560x1440 (1440p)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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1920x1080 (1080p)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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Geekbench 6 (OpenCL, Vulkan, Metal)
Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.
Geekbench 6 - OpenCL
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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Geekbench 6 - Vulkan
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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FP32 Performance (Single-precision TFLOPS)
The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.
FP32 (TFLOPS)
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GIGABYTE GeForce RTX 4090 GAMING OC 24G
24 GB GDDR6X |
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KFA2 GeForce RTX 4080 16GB SG (1-Click OC)
16 GB GDDR6X |
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