Product Compare

AMD Radeon RX 7650 GRE vs AMD Radeon HD 7950

GPU GPU
Graphics Card
Release Date Feb 2025 Jan 2012
Generation Navi III Southern Islands
Type Desktop Desktop
Bus Interface PCIe 4.0 x8 PCIe 3.0 x16
Clock Speeds
Base Clock 1720 MHz
Boost Clock 2695 MHz
Memory Clock 2250 MHz 1250 MHz
Memory
Memory Size 8GB 3GB
Memory Type GDDR6 GDDR5
Memory Bus 128bit 384bit
Bandwidth 288.0GB/s 240.0GB/s
Render Config
Compute Units 32 28
Shading Units 2048 1792
TMUs 128 112
ROPs 64 32
RT Cores 32
L1 Cache 128 KB per Array 16 KB (per CU)
L2 Cache 2 MB 768 KB
L3 Cache 32 MB
Theoretical Performance
Pixel Rate 172.5 GPixel/s 25.60 GPixel/s
Texture Rate 345.0 GTexel/s 89.60 GTexel/s
FP16 (half) 44.15 TFLOPS
FP32 (float) 22.08 TFLOPS 2.867 TFLOPS
FP64 (double) 689.9 GFLOPS 716.8 GFLOPS
Graphics Processor
GPU Name Navi 33 Tahiti
GPU Variant Navi 33 XL(215-163000057) Tahiti PRO(215-0821056)
Architecture RDNA 3.0 GCN 1.0
Foundry TSMC TSMC
Process Size 6 nm 28 nm
Transistors 13.3 billion 4.313 billion
Die Size 204 mm² 352 mm²
Board Design
TDP 165W 200W
Suggested PSU 450 W 550 W
Outputs 1x HDMI 2.1a3x DisplayPort 2.1 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 8-pin 2x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.2 1.2
Vulkan 1.3 1.2
Shader Model 6.8 5.1