AMD Radeon HD 6950 vs NVIDIA GeForce GTX 650 Ti Boost
GPU · Specs Compare
Graphics Card
Release Date
Dec 2010
Mar 2013
Generation
Northern Islands
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1502 MHz
Base Clock
—
980 MHz
Boost Clock
—
1032 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
160.0GB/s
144.2GB/s
Render Config
Compute Units
22
—
Shading Units
1408
768
TMUs
88
64
ROPs
32
24
L1 Cache
8 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
384 KB
Theoretical Performance
Pixel Rate
25.60 GPixel/s
16.51 GPixel/s
Texture Rate
70.40 GTexel/s
66.05 GTexel/s
FP32 (float)
2.253 TFLOPS
1.585 TFLOPS
FP64 (double)
563.2 GFLOPS
66.05 GFLOPS
Graphics Processor
GPU Name
Cayman
GK106
GPU Variant
Cayman PRO(215-0807019)
GK106-240-A1
Architecture
TeraScale 3
Kepler
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.64 billion
2.54 billion
Die Size
389 mm²
221 mm²
Board Design
TDP
200W
134W
Suggested PSU
550 W
300 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
1x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.1
Shader Model
5.0
5.1
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.