NVIDIA Tesla K20X vs NVIDIA Tesla K20Xm
We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 6GB VRAM Tesla K20Xm to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Score
Benchmark
FP32 (float)
Tesla K20X
3.935 TFLOPS
Tesla K20Xm
3.935 TFLOPS
Graphics Card
Nov 2012
Release Date
Nov 2012
Tesla
Generation
Tesla
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
1300 MHz
Memory Clock
1300 MHz
Memory
6GB
Memory Size
6GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
249.6GB/s
Bandwidth
249.6GB/s
Render Config
-
-
-
-
-
-
2688
Shading Units
2688
224
TMUs
224
48
ROPs
48
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
1536 KB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
40.99 GPixel/s
Pixel Rate
40.99 GPixel/s
164.0 GTexel/s
Texture Rate
164.0 GTexel/s
-
-
-
3.935 TFLOPS
FP32 (float)
3.935 TFLOPS
1312 GFLOPS
FP64 (double)
1312 GFLOPS
Board Design
235W
TDP
235W
550 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
-
Graphics Processor
GK110
GPU Name
GK110
-
-
-
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
7.08 billion
561 mm²
Die Size
561 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.5
CUDA
3.5
5.1
Shader Model
5.1
