Quadro 400 vs Tesla K20Xm
We compared two Professional market GPUs: 512MB VRAM Quadro 400 and 6GB VRAM Tesla K20Xm to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Quadro 400 Advantages
Lower TDP (32W vs 235W)
Tesla K20Xm Advantages
Released 1 years and 7 months late
More VRAM (6GB vs 512GB)
Larger VRAM bandwidth (249.6GB/s vs 12.32GB/s)
2640 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro 400
108
Tesla K20Xm
+3543%
3935
Graphics Card
Apr 2011
Release Date
Nov 2012
Quadro
Generation
Tesla
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
770 MHz
Memory Clock
1300 MHz
Memory
512MB
Memory Size
6GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
384bit
12.32GB/s
Bandwidth
249.6GB/s
Render Config
6
SM Count
-
48
Shading Units
2688
16
TMUs
224
8
ROPs
48
-
L1 Cache
16 KB (per SMX)
32 KB
L2 Cache
1536 KB
Theoretical Performance
3.600 GPixel/s
Pixel Rate
40.99 GPixel/s
7.200 GTexel/s
Texture Rate
164.0 GTexel/s
108.0 GFLOPS
FP32 (float)
3.935 TFLOPS
-
FP64 (double)
1312 GFLOPS
Board Design
32W
TDP
235W
200 W
Suggested PSU
550 W
1x DVI
1x DisplayPort
1x DisplayPort
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GT216
GPU Name
GK110
GT216 GL
GPU Variant
-
Tesla 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.486 billion
Transistors
7.08 billion
100 mm²
Die Size
561 mm²
Graphics Features
11.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.2
CUDA
3.5
4.1
Shader Model
5.1
