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
Quadro 5000
CORE STATE
GF100
VRAM
2.5 GB
CLOCK SPEED
—
TDP
152 W
BUS WIDTH
320 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
Quadro 5000
Core Specs
Shading Units
1,408
352
-75.0%
Shaders
1,408
352
-75.0%
TMUs
88
44
-50.0%
ROPs
32
40
+25.0%
Compute Units
22
—
SM Count
—
11
Clocks
GPU Clock
800 MHz
513 MHz
Shader Clock
—
1026 MHz
Memory Clock
1250 MHz
5 Gbps effective
750 MHz
3 Gbps effective
Memory
Memory Size
2 GB
2.5 GB
VRAM (MB)
2,048
5,120
+150.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
320 bit
Bandwidth
160.0 GB/s
120.0 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
640 KB
Performance
Pixel Rate
25.60 GPixel/s
11.29 GPixel/s
Texture Rate
70.40 GTexel/s
22.57 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
722.3 GFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
361.2 GFLOPS (1:2)
Power
TDP
200 W
152 W
TDP (W)
200
152
-24.0%
Suggested PSU
550 W
450 W
Power Connectors
2x 6-pin
1x 6-pin
Architecture
Architecture
TeraScale 3
Fermi
GPU Name
Cayman
GF100
Generation
Northern Islands
(HD 6900)
Quadro Fermi
(x000)
Process Size
40 nm
40 nm
Transistors
2,640 million
3,100 million
Die Size
389 mm²
529 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
5.9M / mm²
API Support
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
OpenCL
1.2
1.1
CUDA
—
2.0
Shader Model
5.0
5.1
Physical
Slot Width
Dual-slot
Dual-slot
Length
286 mm
11.3 inches
248 mm
9.8 inches
Height
126 mm
5 inches
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI2x DisplayPort
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Other
Launch Price
299 USD
2,499 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Quadro FX Tesla
Successor
Southern Islands
Quadro Kepler