Tesla P6 vs Tesla K20X
We compared two Professional market GPUs: 16GB VRAM Tesla P6 and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Tesla P6 's Advantages
Released 4 years and 4 months late
Boost Clock1506MHz
More VRAM (16GB vs 6GB)
Lower TDP (90W vs 235W)
Tesla K20X 's Advantages
Larger VRAM bandwidth (249.6GB/s vs 192.3GB/s)
640 additional rendering cores
Score
Benchmark
FP32 (float)
Tesla P6
+56%
6169
Tesla K20X
3935
Graphics Card
Mar 2017
Release Date
Nov 2012
Tesla
Generation
Tesla
Professional
Type
Professional
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1012 MHz
Base Clock
-
1506 MHz
Boost Clock
-
1502 MHz
Memory Clock
1300 MHz
Memory
16GB
Memory Size
6GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
192.3GB/s
Bandwidth
249.6GB/s
Render Config
16
SM Count
-
2048
Shading Units
2688
128
TMUs
224
64
ROPs
48
48 KB (per SM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
1536 KB
Theoretical Performance
96.38 GPixel/s
Pixel Rate
40.99 GPixel/s
192.8 GTexel/s
Texture Rate
164.0 GTexel/s
96.38 GFLOPS
FP16 (half)
-
6.169 TFLOPS
FP32 (float)
3.935 TFLOPS
192.8 GFLOPS
FP64 (double)
1312 GFLOPS
Board Design
90W
TDP
235W
250 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GP104
GPU Name
GK110
GP104-995-A1
GPU Variant
-
Pascal
Architecture
Kepler
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
7.2 billion
Transistors
7.08 billion
314 mm²
Die Size
561 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
6.1
CUDA
3.5
6.4
Shader Model
5.1
