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GPU Comparison
NVIDIA Tesla C2070 vs NVIDIA Tesla K20X
NVIDIA Tesla C2070 vs NVIDIA Tesla K20X
VS
NVIDIA Tesla C2070
NVIDIA Tesla K20X
We compared two Professional market GPUs: 6GB VRAM Tesla C2070 and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20X 's Advantages
Released 1 years and 4 months late
Larger VRAM bandwidth (249.6GB/s vs 143.4GB/s)
2240 additional rendering cores
Lower TDP (235W vs 238W)
Score
Benchmark
FP32 (float)
Tesla C2070
1.028 TFLOPS
Tesla K20X
+282%
3.935 TFLOPS
Tesla C2070
VS
Tesla K20X
Graphics Card
Jul 2011
Release Date
Nov 2012
Tesla
Generation
Tesla
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
747 MHz
Memory Clock
1300 MHz
Memory
6GB
Memory Size
6GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
143.4GB/s
Bandwidth
249.6GB/s
Render Config
14
SM Count
-
-
Compute Units
-
448
Shading Units
2688
56
TMUs
224
48
ROPs
48
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
768 KB
L2 Cache
1536 KB
Theoretical Performance
16.07 GPixel/s
Pixel Rate
40.99 GPixel/s
32.14 GTexel/s
Texture Rate
164.0 GTexel/s
-
FP16 (half)
-
1028 GFLOPS
FP32 (float)
3.935 TFLOPS
513.9 GFLOPS
FP64 (double)
1312 GFLOPS
Graphics Processor
GF100
GPU Name
GK110
-
GPU Variant
-
Fermi
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
7.08 billion
529 mm²
Die Size
561 mm²
Board Design
238W
TDP
235W
550 W
Suggested PSU
550 W
1x DVI
Outputs
No outputs
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.0
CUDA
3.5
5.1
Shader Model
5.1
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