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 K1200
CORE STATE
GM107
VRAM
4 GB
CLOCK SPEED
1033 MHz
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
Quadro K1200
Core Specs
Shading Units
1,408
512
-63.6%
Shaders
1,408
512
-63.6%
TMUs
88
32
-63.6%
ROPs
32
16
-50.0%
Compute Units
22
—
Clocks
Base Clock
—
954 MHz
Boost Clock
—
1033 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
128 bit
Bandwidth
160.0 GB/s
80.19 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SMM)
L2 Cache
512 KB
2 MB
Performance
Pixel Rate
25.60 GPixel/s
16.53 GPixel/s
Texture Rate
70.40 GTexel/s
33.06 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
1,057.8 GFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
33.06 GFLOPS (1:32)
Power
TDP
200 W
45 W
TDP (W)
200
45
-77.5%
Suggested PSU
550 W
200 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
TeraScale 3
Maxwell
GPU Name
Cayman
GM107
Generation
Northern Islands
(HD 6900)
Quadro Kepler
(Kx200)
Process Size
40 nm
28 nm
Transistors
2,640 million
1,870 million
Die Size
389 mm²
148 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
12.6M / mm²
API Support
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
5.0
Shader Model
5.0
6.7 (5.1)
Physical
Slot Width
Dual-slot
Single-slot
Length
286 mm
11.3 inches
160 mm
6.3 inches
Height
126 mm
5 inches
69 mm
2.7 inches
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
4x mini-DisplayPort 1.2
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
Quadro Fermi
Successor
Southern Islands
Quadro Maxwell