NVIDIA Tesla K20c vs NVIDIA Tesla M4
We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 4GB VRAM Tesla M4 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20c 's Advantages
More VRAM (5GB vs 4GB)
Larger VRAM bandwidth (208.0GB/s vs 88.00GB/s)
1472 additional rendering cores
NVIDIA Tesla M4 's Advantages
Released 3 years late
Boost Clock1072MHz
Lower TDP (50W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20c
+60%
3.524 TFLOPS
Tesla M4
2.195 TFLOPS
Graphics Card
Nov 2012
Release Date
Nov 2015
Tesla
Generation
Tesla
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
872 MHz
-
Boost Clock
1072 MHz
1300 MHz
Memory Clock
1375 MHz
Memory
5GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
320bit
Memory Bus
128bit
208.0GB/s
Bandwidth
88.00GB/s
Render Config
-
-
-
-
-
-
2496
Shading Units
1024
208
TMUs
64
40
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
48 KB (per SMM)
1280 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
36.71 GPixel/s
Pixel Rate
34.30 GPixel/s
146.8 GTexel/s
Texture Rate
68.61 GTexel/s
-
-
-
3.524 TFLOPS
FP32 (float)
2.195 TFLOPS
1175 GFLOPS
FP64 (double)
68.61 GFLOPS
Board Design
225W
TDP
50W
550 W
Suggested PSU
250 W
No outputs
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
-
Graphics Processor
GK110
GPU Name
GM206
GK110-885-KA-A1
GPU Variant
-
Kepler
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
2.94 billion
561 mm²
Die Size
228 mm²
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
5.2
5.1
Shader Model
6.4
