Apple M2 Ultra 76-Core GPU
vs
GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
GPU comparison with benchmarksThe Apple M2 Ultra 76-Core GPU has 9728 shader units and these clock a maximum of 1.40 GHz which results in an FP32 computing power of 26.98 TFLOPS.
The GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G has 768 shader units and these clock at a maximum of 2.32 GHz and achieve an FP32 computing power of 3.57 TFLOPS. |
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GPUThe Apple M2 Ultra 76-Core GPU is equipped with a graphics chip of the M2 architecture, which has 1216 streaming multiprocessors. The graphics card GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G is based on the RDNA 2 architecture and is equipped with 12 execution units. |
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| Apple M2 Ultra 76-Core GPU | GPU | GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G |
| Apple M2 Ultra (76-GPU) | Based on | AMD Radeon RX 6400 |
| M2 Ultra | GPU Chip | Navi 24 XL |
| M2 | Architecture | RDNA 2 |
| 1216 | Streaming Multiprocessors | 12 |
| 9728 | Shader | 768 |
| 0 | Render Output Units | 32 |
| 0 | Texture Units | 48 |
| 0 | Raytracing Cores | 12 |
MemoryThe Apple M2 Ultra 76-Core GPU is equipped with a 64 GB large LPDDR5 graphics memory, which is equipped with 3.200 GHz clocks. The GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G has a 4 GB large GDDR6 graphics memory and the memory clock is 2.000GHz. |
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| 64 GB | Memory Size | 4 GB |
| LPDDR5 | Memory Type | GDDR6 |
| 3.200 GHz | Memory Clock | 2.000 GHz |
| 0.0 Gbps | Memory Speed | 16.0 Gbps |
| 819 GB/s | Memory bandwidth | 128 GB/s |
| 1024 bit | Memory Interface | 64 bit |
Clock SpeedsThe Apple M2 Ultra 76-Core GPU has a turbo clock of . The turbo frequency of the GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G is 2.321 GHz. |
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| 1.400 GHz | Base Clock | 1.923 GHz |
| Boost Clock | 2.321 GHz | |
| Avg (Game) Clock | 2.04 GHz | |
| No | Overclocking | Yes |
Thermal DesignThe Apple M2 Ultra 76-Core GPU has connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as Unknown. The GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G is equipped with a PCIe power connector that supplies it with power. The maximum operating temperature of the card is 97 °C. |
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| -- | TDP | 53 W |
| -- | TDP (up) | -- |
| Unknown | Tjunction max | 97 °C |
| PCIe-Power | ||
Cooler & FansThe graphics processor and graphics memory of the Apple M2 Ultra 76-Core GPU are cooled with a Air cooling. The GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G is cooled by a Air cooling. |
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| -- | Fan-Type | Axial |
| -- | Fan 1 | 2 x 50 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| -- | Noise (Idle) | 0 dB |
| -- | Noise (Load) | -- |
ConnectivityThe Apple M2 Ultra 76-Core GPU supports the downward compatible copy protection HDCP in version --. The GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G supports HDCP in version 2.3 and all previous versions. |
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| 8 | Max. Displays | 2 |
| -- | HDCP-Version | 2.3 |
| -- | HDMI Ports | 1x HDMI v2.1 |
| -- | DP Ports | 1x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe Apple M2 Ultra 76-Core GPU supports the DirectX standard from Microsoft in version 0. The GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G supports Microsoft's DirectX version 12_2 (Ultimate). |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 0 | DirectX | 12_2 (Ultimate) |
| No | Raytracing | Yes |
| Yes | DLSS / FSR | Yes |
| No LED lighting | LED | No LED lighting |
Supported Video CodecsThis area lists which video codecs can be decoded or encoded by the graphics cards in hardware. As a result, the power consumption can be reduced due to a lower processor load. |
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| Decode / Encode | h264 | Decode / Encode |
| Decode / Encode | h265 / HEVC | Decode / Encode |
| No | AV1 | Decode |
| Decode | VP8 | Decode / Encode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe Apple M2 Ultra 76-Core GPU is -- wide and therefore needs the space of 2 PCIe-Slots in the case. The width of the GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G is -- and thus requires the space of 2 PCIe-Slots in the PC case. |
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| -- | Length | 182 mm |
| -- | Height | 69 mm |
| -- | Width | 36 mm |
| -- | Width (Slots) | 2 PCIe-Slots |
| -- | Weight | -- |
| Integrated graphics | GPU Interface | PCIe 4.0 x 4 |
Additional dataManufactured using the 5 nanometer process, Apple M2 Ultra 76-Core GPU was released in Q2/2023. The GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G published in Q2/2022 is manufactured with a structure width of 6 nanometers. |
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| -- | Part-no | GV-R64D6-4GL |
| Q2/2023 | Release date | Q2/2022 |
| -- | Launch Price | 159 $ (Reference) |
| 5 nm | Structure size | 6 nm |
| -- | Documents | data sheet |
1.400 GHz, 64 GB (-- TDP)
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1.923 GHz, 4 GB (53 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 Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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Port Royal (Raytracing)
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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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 Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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2560x1440 (1440p)
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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1920x1080 (1080p)
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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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 Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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2560x1440 (1440p)
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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1920x1080 (1080p)
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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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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Apple M2 Ultra 76-Core GPU
64 GB LPDDR5 |
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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Geekbench 6 - Vulkan
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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Geekbench 6 - Metal
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Apple M2 Ultra 76-Core GPU
64 GB LPDDR5 |
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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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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Apple M2 Ultra 76-Core GPU
64 GB LPDDR5 |
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GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G
4 GB GDDR6 |
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