GPU Comparison
RADEON
AMD Radeon HD 6950
CORE STATE
Cayman
VRAM
2 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale 3
PROCESS
40 nm
LAUNCH DATE
2010
VS
GEFORCE
GeForce GTX 550 Ti
CORE STATE
GF116
VRAM
1024 MB
CLOCK SPEED
—
TDP
116 W
BUS WIDTH
192 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
GTX 550 Ti
Core Specs
Shading Units
1,408
192
-86.4%
Shaders
1,408
192
-86.4%
TMUs
88
32
-63.6%
ROPs
32
24
-25.0%
Compute Units
22
—
SM Count
—
4
Clocks
GPU Clock
800 MHz
900 MHz
Shader Clock
—
1800 MHz
Memory Clock
1250 MHz
5 Gbps effective
1026 MHz
4.1 Gbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
192 bit
Bandwidth
160.0 GB/s
98.50 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
384 KB
Performance
Pixel Rate
25.60 GPixel/s
7.200 GPixel/s
Texture Rate
70.40 GTexel/s
28.80 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
691.2 GFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
57.60 GFLOPS (1:12)
Power
TDP
200 W
116 W
TDP (W)
200
116
-42.0%
Suggested PSU
550 W
300 W
Power Connectors
2x 6-pin
1x 6-pin
Architecture
Architecture
TeraScale 3
Fermi 2.0
GPU Name
Cayman
GF116
Generation
Northern Islands
(HD 6900)
GeForce 500
Process Size
40 nm
40 nm
Transistors
2,640 million
1,170 million
Die Size
389 mm²
238 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
4.9M / mm²
API Support
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
OpenCL
1.2
1.1
CUDA
—
2.1
Shader Model
5.0
5.1
Physical
Slot Width
Dual-slot
Dual-slot
Length
286 mm
11.3 inches
210 mm
8.3 inches
Height
126 mm
5 inches
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x mini-HDMI 1.3a
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Other
Launch Price
299 USD
149 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
GeForce 400
Successor
Southern Islands
GeForce 600