Tesla K20s vs Quadro CX
We compared two Professional market GPUs: 5GB VRAM Tesla K20s and 1536MB VRAM Quadro CX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Tesla K20s 's Advantages
Released 4 years and 3 months late
More VRAM (5GB vs 1536GB)
Larger VRAM bandwidth (208.0GB/s vs 76.80GB/s)
2304 additional rendering cores
Quadro CX 's Advantages
Lower TDP (150W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20s
+521%
2870
Quadro CX
462
Graphics Card
Feb 2013
Release Date
Nov 2008
Tesla
Generation
Quadro CX
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1300 MHz
Memory Clock
800 MHz
Memory
5GB
Memory Size
1536MB
GDDR5
Memory Type
GDDR3
320bit
Memory Bus
384bit
208.0GB/s
Bandwidth
76.80GB/s
Render Config
-
SM Count
24
2496
Shading Units
192
208
TMUs
64
40
ROPs
24
16 KB (per SMX)
L1 Cache
-
1280 KB
L2 Cache
192 KB
Theoretical Performance
29.90 GPixel/s
Pixel Rate
14.45 GPixel/s
119.6 GTexel/s
Texture Rate
38.53 GTexel/s
2.870 TFLOPS
FP32 (float)
462.3 GFLOPS
956.8 GFLOPS
FP64 (double)
57.79 GFLOPS
Board Design
225W
TDP
150W
550 W
Suggested PSU
450 W
No outputs
Outputs
1x DVI
2x DisplayPort
1x S-Video
-
Power Connectors
1x 6-pin
Graphics Processor
GK110
GPU Name
GT200B
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
7.08 billion
Transistors
1.4 billion
561 mm²
Die Size
470 mm²
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
1.3
5.1
Shader Model
4.0
