Product Compare

AMD Radeon RX 7900 XTX vs NVIDIA RTX 4000 SFF Ada Generation

GPU GPU
Graphics Card
Release Date Nov 2022 Nov 2018
Generation Navi III Radeon Instinct
Type Desktop Professional
Bus Interface PCIe 4.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1929 MHz 1200 MHz
Boost Clock 2498 MHz 1746 MHz
Memory Clock 2500 MHz 1000 MHz
Memory
Memory Size 24GB 16GB
Memory Type GDDR6 HBM2
Memory Bus 384bit 4096bit
Bandwidth 960.0GB/s 1.02TB/s
Render Config
Compute Units 96 60
Shading Units 6144 3840
TMUs 384 240
ROPs 192 64
RT Cores 96 48
L1 Cache 256 KB per Array 16 KB (per CU)
L2 Cache 6 MB 4 MB
L3 Cache 96 MB
SM Count 48
Tensor Cores 192
Theoretical Performance
Pixel Rate 479.6 GPixel/s 111.7 GPixel/s
Texture Rate 959.2 GTexel/s 419.0 GTexel/s
FP16 (half) 122.8 TFLOPS 26.82 TFLOPS
FP32 (float) 61.39 TFLOPS 13.41 TFLOPS
FP64 (double) 1.918 TFLOPS 6.705 TFLOPS
Graphics Processor
GPU Name Navi 31 Vega 20
GPU Variant Navi 31 XTX(215-145000146) Vega 20 GLXT
Architecture RDNA 3.0 GCN 5.1
Foundry TSMC TSMC
Process Size 5 nm 7 nm
Transistors 57.7 billion 13.23 billion
Die Size 529 mm² 331 mm²
Board Design
TDP 355W 300W
Suggested PSU 750 W 700 W
Outputs 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C 1x mini-DisplayPort 1.4a
Power Connectors 2x 8-pin 2x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.2 2.1
Vulkan 1.4 1.3
Shader Model 6.8 6.7
CUDA 8.9