NVIDIA Quadro K620 vs NVIDIA Tesla K20s
We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 5GB VRAM Tesla K20s to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro K620 's Advantages
Released 1 years and 5 months late
Boost Clock1124MHz
Lower TDP (45W vs 225W)
NVIDIA Tesla K20s 's Advantages
More VRAM (5GB vs 2GB)
Larger VRAM bandwidth (208.0GB/s vs 28.80GB/s)
2112 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro K620
0.863 TFLOPS
Tesla K20s
+232%
2.87 TFLOPS
Graphics Card
Jul 2014
Release Date
Feb 2013
Quadro
Generation
Tesla
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1058 MHz
Base Clock
-
1124 MHz
Boost Clock
-
900 MHz
Memory Clock
1300 MHz
Memory
2GB
Memory Size
5GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
320bit
28.80GB/s
Bandwidth
208.0GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
2496
24
TMUs
208
16
ROPs
40
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
1280 KB
-
-
-
Theoretical Performance
17.98 GPixel/s
Pixel Rate
29.90 GPixel/s
26.98 GTexel/s
Texture Rate
119.6 GTexel/s
-
-
-
863.2 GFLOPS
FP32 (float)
2.870 TFLOPS
26.98 GFLOPS
FP64 (double)
956.8 GFLOPS
Board Design
45W
TDP
225W
200 W
Suggested PSU
550 W
1x DVI
1x DisplayPort 1.4a
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GM107
GPU Name
GK110
GM107-850-A2
GPU Variant
-
Maxwell
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
7.08 billion
148 mm²
Die Size
561 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.0
CUDA
3.5
5.1
Shader Model
5.1
