Product Compare

AMD Radeon HD 7970 vs AMD Radeon RX 6600 LE

GPU GPU
Graphics Card
Release Date Jan 2012 Dec 2023
Generation Southern Islands Navi II
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 4.0 x8
Clock Speeds
Memory Clock 1375 MHz 1750 MHz
Base Clock 1626 MHz
Boost Clock 2495 MHz
Memory
Memory Size 3GB 8GB
Memory Type GDDR5 GDDR6
Memory Bus 384bit 128bit
Bandwidth 264.0GB/s 224.0GB/s
Render Config
Compute Units 32 28
Shading Units 2048 1792
TMUs 128 112
ROPs 32 64
L1 Cache 16 KB (per CU) 128 KB per Array
L2 Cache 768 KB 2 MB
RT Cores 28
L3 Cache 32 MB
Theoretical Performance
Pixel Rate 29.60 GPixel/s 159.7 GPixel/s
Texture Rate 118.4 GTexel/s 279.4 GTexel/s
FP32 (float) 3.789 TFLOPS 8.942 TFLOPS
FP64 (double) 947.2 GFLOPS 558.9 GFLOPS
FP16 (half) 17.88 TFLOPS
Graphics Processor
GPU Name Tahiti Navi 23
GPU Variant Tahiti XT(215-0821060) Navi 23 XL(215-130000016)
Architecture GCN 1.0 RDNA 2.0
Foundry TSMC TSMC
Process Size 28 nm 7 nm
Transistors 4.313 billion 11.06 billion
Die Size 352 mm² 237 mm²
Board Design
TDP 250W 132W
Suggested PSU 600 W 300 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors 1x 6-pin + 1x 8-pin 1x 8-pin
Graphics Features
DirectX 12 (11_1) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 (1.2) 2.1
Vulkan 1.2.170 1.3
Shader Model 6.5 (5.1) 6.7