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GPU Comparison
NVIDIA Tesla K20X vs NVIDIA Quadro NVS 420
NVIDIA Tesla K20X vs NVIDIA Quadro NVS 420
VS
NVIDIA Tesla K20X
NVIDIA Quadro NVS 420
We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 256MB VRAM Quadro NVS 420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20X 's Advantages
Released 3 years and 10 months late
Larger VRAM bandwidth (249.6GB/s vs 11.20GB/s)
2680 additional rendering cores
NVIDIA Quadro NVS 420 's Advantages
Lower TDP (40W vs 235W)
Score
Benchmark
FP32 (float)
Tesla K20X
+17786%
3.935 TFLOPS
Quadro NVS 420
0.022 TFLOPS
Tesla K20X
VS
Quadro NVS 420
Graphics Card
Nov 2012
Release Date
Jan 2009
Tesla
Generation
Quadro NVS
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1300 MHz
Memory Clock
700 MHz
Memory
6GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
64bit
249.6GB/s
Bandwidth
11.20GB/s
Render Config
-
SM Count
1
-
Compute Units
-
2688
Shading Units
8
224
TMUs
4
48
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
-
1536 KB
L2 Cache
16 KB
Theoretical Performance
40.99 GPixel/s
Pixel Rate
2.200 GPixel/s
164.0 GTexel/s
Texture Rate
2.200 GTexel/s
-
FP16 (half)
-
3.935 TFLOPS
FP32 (float)
22.40 GFLOPS
1312 GFLOPS
FP64 (double)
-
Graphics Processor
GK110
GPU Name
G98
-
GPU Variant
-
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
7.08 billion
Transistors
0.21 billion
561 mm²
Die Size
86 mm²
Board Design
235W
TDP
40W
550 W
Suggested PSU
200 W
No outputs
Outputs
1x VHDCI
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.5
CUDA
1.1
5.1
Shader Model
4.0
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