NVIDIA Tesla K20m vs AMD Radeon HD 6970
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Dec 2010
Generation
Tesla
Northern Islands
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1300 MHz
1375 MHz
Memory
Memory Size
5GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
176.0GB/s
Render Config
Shading Units
2496
1536
TMUs
208
96
ROPs
40
32
L1 Cache
16 KB (per SMX)
8 KB (per CU)
L2 Cache
1280 KB
512 KB
Compute Units
-
24
Theoretical Performance
Pixel Rate
36.71 GPixel/s
28.16 GPixel/s
Texture Rate
146.8 GTexel/s
84.48 GTexel/s
FP32 (float)
3.524 TFLOPS
2.703 TFLOPS
FP64 (double)
1175 GFLOPS
675.8 GFLOPS
Graphics Processor
GPU Name
GK110
Cayman
Architecture
Kepler
TeraScale 3
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
7.08 billion
2.64 billion
Die Size
561 mm²
389 mm²
GPU Variant
-
Cayman XT(215-0807007)
Board Design
TDP
225W
250W
Suggested PSU
550 W
600 W
Outputs
No outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.1
N/A
CUDA
3.5
-
Shader Model
5.1
5.0