NVIDIA Tesla K20c vs NVIDIA Tesla P6
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Mar 2017
Generation
Tesla
Tesla
Type
Professional
Professional
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1300 MHz
1502 MHz
Base Clock
—
1012 MHz
Boost Clock
—
1506 MHz
Memory
Memory Size
5GB
16GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
192.3GB/s
Render Config
Shading Units
2496
2048
TMUs
208
128
ROPs
40
64
L1 Cache
16 KB (per SMX)
48 KB (per SM)
L2 Cache
1280 KB
2 MB
SM Count
—
16
Theoretical Performance
Pixel Rate
36.71 GPixel/s
96.38 GPixel/s
Texture Rate
146.8 GTexel/s
192.8 GTexel/s
FP32 (float)
3.524 TFLOPS
6.169 TFLOPS
FP64 (double)
1175 GFLOPS
192.8 GFLOPS
FP16 (half)
—
96.38 GFLOPS
Graphics Processor
GPU Name
GK110
GP104
GPU Variant
GK110-885-KA-A1
GP104-995-A1
Architecture
Kepler
Pascal
Foundry
TSMC
TSMC
Process Size
28 nm
16 nm
Transistors
7.08 billion
7.2 billion
Die Size
561 mm²
314 mm²
Board Design
TDP
225W
90W
Suggested PSU
550 W
250 W
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
6.1
Shader Model
5.1
6.4
Benchmark
OctaneBench
55
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.