NVIDIA Tesla K20c vs NVIDIA Quadro M620 Mobile
We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 2GB VRAM Quadro M620 Mobile 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 2GB)
Larger VRAM bandwidth (208.0GB/s vs 80.19GB/s)
1984 additional rendering cores
NVIDIA Quadro M620 Mobile 's Advantages
Released 4 years and 2 months late
Boost Clock977MHz
Lower TDP (30W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20c
+252%
3.524 TFLOPS
Quadro M620 Mobile
1 TFLOPS
OctaneBench
Tesla K20c
+103%
55
Quadro M620 Mobile
27
Graphics Card
Nov 2012
Release Date
Jan 2017
Tesla
Generation
Quadro Mobile
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
756 MHz
-
Boost Clock
977 MHz
1300 MHz
Memory Clock
1253 MHz
Memory
5GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
320bit
Memory Bus
128bit
208.0GB/s
Bandwidth
80.19GB/s
Render Config
-
-
-
-
-
-
2496
Shading Units
512
208
TMUs
32
40
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
1280 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
36.71 GPixel/s
Pixel Rate
15.63 GPixel/s
146.8 GTexel/s
Texture Rate
31.26 GTexel/s
-
-
-
3.524 TFLOPS
FP32 (float)
1000 GFLOPS
1175 GFLOPS
FP64 (double)
31.26 GFLOPS
Board Design
225W
TDP
30W
550 W
Suggested PSU
-
No outputs
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GK110
GPU Name
GM107
GK110-885-KA-A1
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
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
