NVIDIA Quadro K620 vs NVIDIA Quadro NVS 420
We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 256MB VRAM Quadro NVS 420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro K620 's Advantages
Released 5 years and 6 months late
Boost Clock1124MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (28.80GB/s vs 11.20GB/s)
376 additional rendering cores
NVIDIA Quadro NVS 420 's Advantages
Lower TDP (40W vs 45W)
Score
Benchmark
FP32 (float)
Quadro K620
+3822%
0.863 TFLOPS
Quadro NVS 420
0.022 TFLOPS
Graphics Card
Jul 2014
Release Date
Jan 2009
Quadro
Generation
Quadro NVS
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
700 MHz
Memory
2GB
Memory Size
256MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
11.20GB/s
Render Config
-
-
-
-
SM Count
1
384
Shading Units
8
24
TMUs
4
16
ROPs
4
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
-
2 MB
L2 Cache
16 KB
-
-
-
Theoretical Performance
17.98 GPixel/s
Pixel Rate
2.200 GPixel/s
26.98 GTexel/s
Texture Rate
2.200 GTexel/s
-
-
-
863.2 GFLOPS
FP32 (float)
22.40 GFLOPS
26.98 GFLOPS
FP64 (double)
-
Board Design
45W
TDP
40W
200 W
Suggested PSU
200 W
1x DVI
1x DisplayPort 1.4a
Outputs
1x VHDCI
None
Power Connectors
None
Graphics Processor
GM107
GPU Name
G98
GM107-850-A2
GPU Variant
-
Maxwell
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
1.87 billion
Transistors
0.21 billion
148 mm²
Die Size
86 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
1.1
5.1
Shader Model
4.0
