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GPU Comparison
NVIDIA Tesla K20m vs NVIDIA GRID M40
NVIDIA Tesla K20m vs NVIDIA GRID M40
VS
NVIDIA Tesla K20m
NVIDIA GRID M40
We compared two Professional market GPUs: 5GB VRAM Tesla K20m and 8GB VRAM GRID M40 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20m 's Advantages
Larger VRAM bandwidth (208.0GB/s vs 83.20GB/s)
2112 additional rendering cores
NVIDIA GRID M40 's Advantages
Released 3 years and 4 months late
More VRAM (8GB vs 5GB)
Lower TDP (50W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20m
+344%
3.524 TFLOPS
GRID M40
0.793 TFLOPS
Tesla K20m
VS
GRID M40
Graphics Card
Jan 2013
Release Date
May 2016
Tesla
Generation
GRID
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1300 MHz
Memory Clock
1300 MHz
Memory
5GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
320bit
Memory Bus
128bit
208.0GB/s
Bandwidth
83.20GB/s
Render Config
-
SM Count
-
-
Compute Units
-
2496
Shading Units
384
208
TMUs
32
40
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
1280 KB
L2 Cache
2 MB
Theoretical Performance
36.71 GPixel/s
Pixel Rate
16.53 GPixel/s
146.8 GTexel/s
Texture Rate
33.06 GTexel/s
-
FP16 (half)
-
3.524 TFLOPS
FP32 (float)
793.3 GFLOPS
1175 GFLOPS
FP64 (double)
24.79 GFLOPS
Graphics Processor
GK110
GPU Name
GM107
-
GPU Variant
-
Kepler
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
1.87 billion
561 mm²
Die Size
148 mm²
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 Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
5.0
5.1
Shader Model
5.1
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