NVIDIA Tesla K20Xm vs NVIDIA Tesla M4
GPU Specs Compare
Graphics Card
Release Date
Nov 2012
Nov 2015
Generation
Tesla
Tesla
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1300 MHz
1375 MHz
Base Clock
-
872 MHz
Boost Clock
-
1072 MHz
Memory
Memory Size
6GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
249.6GB/s
88.00GB/s
Render Config
Shading Units
2688
1024
TMUs
224
64
ROPs
48
32
L1 Cache
16 KB (per SMX)
48 KB (per SMM)
L2 Cache
1536 KB
1024 KB
Theoretical Performance
Pixel Rate
40.99 GPixel/s
34.30 GPixel/s
Texture Rate
164.0 GTexel/s
68.61 GTexel/s
FP32 (float)
3.935 TFLOPS
2.195 TFLOPS
FP64 (double)
1312 GFLOPS
68.61 GFLOPS
Graphics Processor
GPU Name
GK110
GM206
Architecture
Kepler
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
2.94 billion
Die Size
561 mm²
228 mm²
Board Design
TDP
235W
50W
Suggested PSU
550 W
250 W
Outputs
No outputs
No outputs
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
5.2
Shader Model
5.1
6.4