AMD Radeon RX 7800 XT vs PowerColor Radeon RX 6800 XT Red Devil Full Specs
3,840 Shaders 2.43GHz | 4,608 Shaders 2.34GHz |
16GB GDDR6620.8GB/s | 16GB GDDR6512GB/s |
·· 37.32 TFLOPS | ·· 21.57 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 263W | TDP 300W |
Power Connectors 2x 8-Pin | Power Connectors 2x 8-Pin |
Radeon RX 7800 XT149.3 TOPSINT4 Tensor
Radeon RX 6800 XT Red Devil43.13 TFLOPSFP16Clock Speed ··· | Clock Speed ··· |
Peak OPS 149.3 TOPSINT4 Tensor | Peak OPS 43.13 TFLOPSFP16 |
Tensor FP16-16 37.32 TFLOPSTensor FP16-32 37.32 TFLOPS | - |
BF16 74.65 TFLOPSTensor BF16 37.32 TFLOPS | - |
FP32 37.32 TFLOPS | FP32 21.57 TFLOPS |
FP64 1.17 TFLOPS | FP64 1.35 TFLOPS |
Tensor INT4 149.3 TOPS | Tensor INT4 - |
Tensor INT8 37.32 TOPS | - |
Pixel Rate 233.3 GPixel/s | Pixel Rate 299.5 GPixel/s |
Texture Rate 583.2 GTexel/s | Texture Rate 673.9 GTexel/s |
Shaders 3,840 Shaders | Shaders 4,608 Shaders |
TMUs 240 TMUs | TMUs 288 TMUs |
ROPs 96 ROPs | ROPs 128 ROPs |
Tensor Cores 120 T-Cores | Tensor Cores - |
RT Cores 60 RT-Cores | RT Cores 72 RT-Cores |
CUs 60 CUs | CUs 72 CUs |
Base Clock 1.8GHz | Base Clock 1.82GHz |
Boost Clock 2.43GHz | Boost Clock 2.34GHz |
L2 Cache 4.1MB shared | L2 Cache 4.1MB shared |
L3 Cache 64MB shared | L3 Cache 128MB shared |
L3 Bandwidth 2.25TB/s | L3 Bandwidth 1.66TB/s |
16GB GDDR6 | 16GB GDDR6 |
Memory Bus 256-bit | Memory Bus 256-bit |
Memory Speed 19.4GT/s | Memory Speed 16GT/s |
Memory Bandwidth 620.8GB/s | Memory Bandwidth 512GB/s |
TDP 263W | TDP 300W |
Max Temp - | Max Temp 110°C Max |
Multi-Monitor 3 | Multi-Monitor 4 |
HDCP HDCP 2.3 | HDCP HDCP 2.3 |
3x DisplayPort 2.1 | - |
- | 3x DisplayPort 1.4 |
1x HDMI 2.1 | 1x HDMI 2.1 |
Encoder Model VCN 4.0 | Encoder Model VCN 3.0 |
Decoder Model VCN 4.0 | Decoder Model VCN 3.0 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 2.5-Slots | PCIe 3.1-Slots |
Height 111 mm (4.37")Width 267 mm (10.51")Depth 50 mm (1.97") | Height 135 mm (5.32")Width 320 mm (12.6")Depth 62 mm (2.44") |
Cooling Open-Air 2x Fans | Cooling Open-Air 3x Fans |
Power Connectors 2x 8-Pin | Power Connectors 2x 8-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Wheat Nas | Codename Sienna Cichlid |
Chip Variant Navi 32 | Chip Variant Navi 21 XL |
Market Segment Desktop | Market Segment Desktop |
Release Date Aug 25, 2023 | Release Date Nov 18, 2020 |
Foundry TSMC | Foundry TSMC |
Other Foundries TSMCMCD | Other Foundries - |
Fabrication Node N5 N6MCD | Fabrication Node N7 - |
Die Size 200mm² 150mm²MCD | Die Size 520mm² - |
Transistor Count 28.1 Billion 8.2 BillionMCD | Transistor Count 26.8 Billion - |
Transistor Density 140.5 MTr/mm² 54.67 MTr/mm²MCD | Transistor Density 51.56 MTr/mm² - |
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