NVIDIA Quadro K620 vs NVIDIA Tesla C2070
We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 6GB VRAM Tesla C2070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro K620 's Advantages
Released 3 years late
Boost Clock1124MHz
Lower TDP (45W vs 238W)
NVIDIA Tesla C2070 's Advantages
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (143.4GB/s vs 28.80GB/s)
64 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro K620
0.863 TFLOPS
Tesla C2070
+19%
1.028 TFLOPS
Graphics Card
Jul 2014
Release Date
Jul 2011
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
747 MHz
Memory
2GB
Memory Size
6GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
384bit
28.80GB/s
Bandwidth
143.4GB/s
Render Config
-
-
-
-
SM Count
14
384
Shading Units
448
24
TMUs
56
16
ROPs
48
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
768 KB
-
-
-
Theoretical Performance
17.98 GPixel/s
Pixel Rate
16.07 GPixel/s
26.98 GTexel/s
Texture Rate
32.14 GTexel/s
-
-
-
863.2 GFLOPS
FP32 (float)
1028 GFLOPS
26.98 GFLOPS
FP64 (double)
513.9 GFLOPS
Board Design
45W
TDP
238W
200 W
Suggested PSU
550 W
1x DVI
1x DisplayPort 1.4a
Outputs
1x DVI
None
Power Connectors
1x 8-pin
Graphics Processor
GM107
GPU Name
GF100
GM107-850-A2
GPU Variant
-
Maxwell
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.87 billion
Transistors
3.1 billion
148 mm²
Die Size
529 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
2.0
5.1
Shader Model
5.1
