NVIDIA Quadro CX vs NVIDIA Tesla K20m
We compared two Professional market GPUs: 1536MB VRAM Quadro CX and 5GB VRAM Tesla K20m to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro CX 's Advantages
Lower TDP (150W vs 225W)
NVIDIA Tesla K20m 's Advantages
Released 4 years and 2 months late
More VRAM (5GB vs 1536GB)
Larger VRAM bandwidth (208.0GB/s vs 76.80GB/s)
2304 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro CX
0.462 TFLOPS
Tesla K20m
+662%
3.524 TFLOPS
Graphics Card
Nov 2008
Release Date
Jan 2013
Quadro CX
Generation
Tesla
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
800 MHz
Memory Clock
1300 MHz
Memory
1536MB
Memory Size
5GB
GDDR3
Memory Type
GDDR5
384bit
Memory Bus
320bit
76.80GB/s
Bandwidth
208.0GB/s
Render Config
-
-
-
24
SM Count
-
192
Shading Units
2496
64
TMUs
208
24
ROPs
40
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
192 KB
L2 Cache
1280 KB
-
-
-
Theoretical Performance
14.45 GPixel/s
Pixel Rate
36.71 GPixel/s
38.53 GTexel/s
Texture Rate
146.8 GTexel/s
-
-
-
462.3 GFLOPS
FP32 (float)
3.524 TFLOPS
57.79 GFLOPS
FP64 (double)
1175 GFLOPS
Board Design
150W
TDP
225W
450 W
Suggested PSU
550 W
1x DVI
2x DisplayPort
1x S-Video
Outputs
No outputs
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GT200B
GPU Name
GK110
-
-
-
Tesla 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
1.4 billion
Transistors
7.08 billion
470 mm²
Die Size
561 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.3
CUDA
3.5
4.0
Shader Model
5.1
