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GPU Comparison
NVIDIA Tesla K20X vs NVIDIA Tesla P6
NVIDIA Tesla K20X vs NVIDIA Tesla P6
VS
NVIDIA Tesla K20X
NVIDIA Tesla P6
We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 16GB VRAM Tesla P6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20X 's Advantages
Larger VRAM bandwidth (249.6GB/s vs 192.3GB/s)
640 additional rendering cores
NVIDIA Tesla P6 's Advantages
Released 4 years and 4 months late
Boost Clock1506MHz
More VRAM (16GB vs 6GB)
Lower TDP (90W vs 235W)
Score
Benchmark
FP32 (float)
Tesla K20X
3.935 TFLOPS
Tesla P6
+56%
6.169 TFLOPS
Tesla K20X
VS
Tesla P6
Graphics Card
Nov 2012
Release Date
Mar 2017
Tesla
Generation
Tesla
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
1012 MHz
-
Boost Clock
1506 MHz
1300 MHz
Memory Clock
1502 MHz
Memory
6GB
Memory Size
16GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
249.6GB/s
Bandwidth
192.3GB/s
Render Config
-
SM Count
16
-
Compute Units
-
2688
Shading Units
2048
224
TMUs
128
48
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
48 KB (per SM)
1536 KB
L2 Cache
2 MB
Theoretical Performance
40.99 GPixel/s
Pixel Rate
96.38 GPixel/s
164.0 GTexel/s
Texture Rate
192.8 GTexel/s
-
FP16 (half)
96.38 GFLOPS
3.935 TFLOPS
FP32 (float)
6.169 TFLOPS
1312 GFLOPS
FP64 (double)
192.8 GFLOPS
Graphics Processor
GK110
GPU Name
GP104
-
GPU Variant
GP104-995-A1
Kepler
Architecture
Pascal
TSMC
Foundry
TSMC
28 nm
Process Size
16 nm
7.08 billion
Transistors
7.2 billion
561 mm²
Die Size
314 mm²
Board Design
235W
TDP
90W
550 W
Suggested PSU
250 W
No outputs
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
6.1
5.1
Shader Model
6.4
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9
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