AMD Radeon RX 7400 vs PowerColor Radeon RX 6600 XT Red Devil Full Specs
1,792 Shaders 1.1GHz | 2,048 Shaders 2.61GHz |
8GB GDDR6172.8GB/s | 8GB GDDR6256GB/s |
·· 7.88 TFLOPS | ·· 10.68 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 55W | TDP 160W |
Power Connectors 1x 8-Pin - | Power Connectors 1x 8-Pin 1x 6-Pin |
Radeon RX 740031.54 TOPSINT4 Tensor
Radeon RX 6600 XT Red Devil21.36 TFLOPSFP16Clock Speed ··· | Clock Speed ··· |
Peak OPS 31.54 TOPSINT4 Tensor | Peak OPS 21.36 TFLOPSFP16 |
Tensor FP16-16 7.88 TFLOPSTensor FP16-32 7.88 TFLOPS | - |
BF16 15.77 TFLOPSTensor BF16 7.88 TFLOPS | - |
FP32 7.88 TFLOPS | FP32 10.68 TFLOPS |
FP64 246.4 GFLOPS | FP64 667.4 GFLOPS |
Tensor INT4 31.54 TOPS | Tensor INT4 - |
Tensor INT8 7.88 TOPS | - |
Pixel Rate 70.4 GPixel/s | Pixel Rate 166.9 GPixel/s |
Texture Rate 123.2 GTexel/s | Texture Rate 333.7 GTexel/s |
Shaders 1,792 Shaders | Shaders 2,048 Shaders |
TMUs 112 TMUs | TMUs 128 TMUs |
ROPs 64 ROPs | ROPs 64 ROPs |
Tensor Cores 56 T-Cores | Tensor Cores - |
RT Cores 28 RT-Cores | RT Cores 32 RT-Cores |
CUs 28 CUs | CUs 32 CUs |
Base Clock 1GHz | Base Clock 2.19GHz |
Boost Clock 1.1GHz | Boost Clock 2.61GHz |
L2 Cache 2MB shared | L2 Cache 2MB shared |
L3 Cache 32MB shared | L3 Cache 32MB shared |
L3 Bandwidth 1.16TB/s | L3 Bandwidth 832GB/s |
8GB GDDR6 | 8GB GDDR6 |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 10.8GT/s | Memory Speed 16GT/s |
Memory Bandwidth 172.8GB/s | Memory Bandwidth 256GB/s |
ECC No | ECC No |
TDP 55W | TDP 160W |
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-Slots | PCIe 2.6-Slots |
Height 115 mm (4.53")Width 204 mm (8.03")Depth 40 mm (1.57") | Height 132.8 mm (5.23")Width 251.2 mm (9.89")Depth 53.6 mm (2.11") |
Cooling Open-Air 2x Fans | Cooling Open-Air 2x Fans |
Power Connectors 1x 8-Pin | Power Connectors 1x 8-Pin, 1x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Hotpink Bonefish | Codename Dimgrey Cavefish |
Chip Variant Navi 33 XL | Chip Variant Navi 23 XL |
Market Segment Desktop | Market Segment Desktop |
Release Date Aug 8, 2025 | Release Date Aug 11, 2021 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N6 | Fabrication Node N7 |
Die Size 204mm² | Die Size 237mm² |
Transistor Count 13.3 Billion | Transistor Count 11.1 Billion |
Transistor Density 65.2 MTr/mm² | Transistor Density 46.67 MTr/mm² |
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