AMD Radeon RX 6600S vs AMD Radeon HD 7950M
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Apr 2012
Generation
Mobility Radeon
London
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x8
MXM-B (3.0)
Clock Speeds
Base Clock
1700 MHz
—
Boost Clock
2000 MHz
—
Memory Clock
1750 MHz
1000 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
128.0GB/s
Render Config
Compute Units
28
20
Shading Units
1792
1280
TMUs
112
80
ROPs
64
32
RT Cores
28
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
512 KB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
128.0 GPixel/s
22.40 GPixel/s
Texture Rate
224.0 GTexel/s
56.00 GTexel/s
FP16 (half)
14.34 TFLOPS
—
FP32 (float)
7.168 TFLOPS
1.792 TFLOPS
FP64 (double)
448.0 GFLOPS
—
Graphics Processor
GPU Name
Navi 23
Wimbledon
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
11.06 billion
2.8 billion
Die Size
237 mm²
212 mm²
GPU Variant
—
Wimbledon PRO
Board Design
TDP
80W
75W
Outputs
No outputs
No outputs
Power Connectors
None
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.5
5.1
Benchmark
3DMark Time Spy
7,700
—
3DMark Time Spy Extreme
3,389
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.