AMD Radeon HD 6950 vs AMD Radeon 660M
GPU · Specs Compare
Graphics Card
Release Date
Dec 2010
Jan 2022
Generation
Northern Islands
Rembrandt
Type
Desktop
Integrated
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1250 MHz
System Shared
Base Clock
—
1500 MHz
Boost Clock
—
1900 MHz
Memory
Memory Size
2GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
256bit
System Shared
Bandwidth
160.0GB/s
System Dependent
Render Config
Compute Units
22
6
Shading Units
1408
384
TMUs
88
24
ROPs
32
16
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
—
6
Theoretical Performance
Pixel Rate
25.60 GPixel/s
30.40 GPixel/s
Texture Rate
70.40 GTexel/s
45.60 GTexel/s
FP32 (float)
2.253 TFLOPS
1459 GFLOPS
FP64 (double)
563.2 GFLOPS
91.20 GFLOPS
FP16 (half)
—
2.918 TFLOPS
Graphics Processor
GPU Name
Cayman
Rembrandt
GPU Variant
Cayman PRO(215-0807019)
—
Architecture
TeraScale 3
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
6 nm
Transistors
2.64 billion
13.1 billion
Die Size
389 mm²
210 mm²
Board Design
TDP
200W
15W
Suggested PSU
550 W
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
N/A
1.2
Shader Model
5.0
6.5
Benchmark
3DMark Time Spy
—
1,537
3DMark Time Spy Extreme
—
701
▲ Specs Compare
Data sourced from official specifications and benchmark tests.