GPU comparison with benchmarksThe Intel Arc A770 Graphics 8GB has 4096 shader units and these clock a maximum of 2.10 GHz which results in an FP32 computing power of 17.20 TFLOPS.
The KFA2 GeForce RTX 4090 HOF has 16384 shader units and these clock at a maximum of 2.61 GHz and achieve an FP32 computing power of 85.53 TFLOPS. |
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GPUThe Intel Arc A770 Graphics 8GB is equipped with a graphics chip of the Alchemist architecture, which has 512 streaming multiprocessors. The graphics card KFA2 GeForce RTX 4090 HOF is based on the Ada Lovelace architecture and is equipped with 128 execution units. |
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Intel Arc A770 Graphics 8GB | GPU | KFA2 GeForce RTX 4090 HOF |
Intel Arc A770 Graphics 8GB | Based on | NVIDIA GeForce RTX 4090 |
ACM-G10 | GPU Chip | AD102-300-A1 |
Alchemist | Architecture | Ada Lovelace |
512 | Streaming Multiprocessors | 128 |
4096 | Shader | 16384 |
128 | Render Output Units | 176 |
256 | Texture Units | 512 |
32 | Raytracing Cores | 128 |
MemoryThe Intel Arc A770 Graphics 8GB is equipped with a 8 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks. The KFA2 GeForce RTX 4090 HOF has a 24 GB large GDDR6X graphics memory and the memory clock is 1.313GHz. |
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8 GB | Memory Size | 24 GB |
GDDR6 | Memory Type | GDDR6X |
2.000 GHz | Memory Clock | 1.313 GHz |
16.0 Gbps | Memory Speed | 21.0 Gbps |
512 GB/s | Memory bandwidth | 1008 GB/s |
256 bit | Memory Interface | 384 bit |
Clock SpeedsThe Intel Arc A770 Graphics 8GB has a turbo clock of 2.100 GHz. The turbo frequency of the KFA2 GeForce RTX 4090 HOF is 2.610 GHz. |
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2.100 GHz | Base Clock | 2.235 GHz |
2.100 GHz | Boost Clock | 2.610 GHz |
Avg (Game) Clock | ||
Yes | Overclocking | Yes |
Thermal DesignThe Intel Arc A770 Graphics 8GB has 1 x 6-Pin, 1 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as Unknown. The KFA2 GeForce RTX 4090 HOF is equipped with a 1 x 16-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 90 °C. |
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225 W | TDP | 450 W |
-- | TDP (up) | 450 W |
Unknown | Tjunction max | 90 °C |
1 x 6-Pin, 1 x 8-Pin | PCIe-Power | 1 x 16-Pin |
Cooler & FansThe graphics processor and graphics memory of the Intel Arc A770 Graphics 8GB are cooled with a Air cooling. The KFA2 GeForce RTX 4090 HOF is cooled by a Air cooling. |
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Axial | Fan-Type | Axial |
-- | Fan 1 | 2 x 112 mm |
-- | Fan 2 | 1 x 92 mm |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 dB |
-- | Noise (Load) | -- |
ConnectivityThe Intel Arc A770 Graphics 8GB supports the downward compatible copy protection HDCP in version 2.3. The KFA2 GeForce RTX 4090 HOF supports HDCP in version 2.3 and all previous versions. |
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4 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.3 |
-- | HDMI Ports | 1x HDMI v2.1 |
-- | DP Ports | 3x DP v1.4a |
-- | DVI Ports | -- |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetThe Intel Arc A770 Graphics 8GB supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The KFA2 GeForce RTX 4090 HOF supports Microsoft's DirectX version 12_2 (Ultimate). |
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7680x4320 | Max. resolution | 7680x4320 |
12_2 (Ultimate) | DirectX | 12_2 (Ultimate) |
Yes | Raytracing | Yes |
No | DLSS / FSR | Yes |
No LED lighting | LED | Addressable LED |
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 |
Decode / Encode | AV1 | Decode |
No | VP8 | Decode |
Decode / Encode | VP9 | Decode |
DimensionsThe Intel Arc A770 Graphics 8GB is -- wide and therefore needs the space of 4 PCIe-Slots in the case. The width of the KFA2 GeForce RTX 4090 HOF is -- and thus requires the space of 4 PCIe-Slots in the PC case. |
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-- | Length | 360 mm |
-- | Height | 159 mm |
-- | Width | 77 mm |
-- | Width (Slots) | 4 PCIe-Slots |
-- | Weight | -- |
PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataManufactured using the 6 nanometer process, Intel Arc A770 Graphics 8GB was released in Q4/2022. The KFA2 GeForce RTX 4090 HOF published in Q4/2022 is manufactured with a structure width of 5 nanometers. |
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-- | Part-no | -- |
Q4/2022 | Release date | Q4/2022 |
329 $ | Launch Price | 1,599 $ (Reference) |
6 nm | Structure size | 5 nm |
data sheet | Documents | data sheet |
Intel Arc A770 Graphics 8GB
8 GB GDDR6 |
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KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
Intel Arc A770 Graphics 8GB
8 GB GDDR6 |
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KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
Intel Arc A770 Graphics 8GB
8 GB GDDR6 |
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KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
Intel Arc A770 Graphics 8GB
8 GB GDDR6 |
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KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
Intel Arc A770 Graphics 8GB
8 GB GDDR6 |
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KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |
Intel Arc A770 Graphics 8GB
8 GB GDDR6 |
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KFA2 GeForce RTX 4090 HOF
24 GB GDDR6X |