NVIDIA Tesla K20c vs NVIDIA Quadro 400
We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 512MB VRAM Quadro 400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20c 's Advantages
Released 1 years and 7 months late
More VRAM (5GB vs 512GB)
Larger VRAM bandwidth (208.0GB/s vs 12.32GB/s)
2448 additional rendering cores
NVIDIA Quadro 400 's Advantages
Lower TDP (32W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20c
+3162%
3.524 TFLOPS
Quadro 400
0.108 TFLOPS
Graphics Card
Nov 2012
Release Date
Apr 2011
Tesla
Generation
Quadro
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1300 MHz
Memory Clock
770 MHz
Memory
5GB
Memory Size
512MB
GDDR5
Memory Type
DDR3
320bit
Memory Bus
64bit
208.0GB/s
Bandwidth
12.32GB/s
Render Config
-
-
-
-
SM Count
6
2496
Shading Units
48
208
TMUs
16
40
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
1280 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
36.71 GPixel/s
Pixel Rate
3.600 GPixel/s
146.8 GTexel/s
Texture Rate
7.200 GTexel/s
-
-
-
3.524 TFLOPS
FP32 (float)
108.0 GFLOPS
1175 GFLOPS
FP64 (double)
-
Board Design
225W
TDP
32W
550 W
Suggested PSU
200 W
No outputs
Outputs
1x DVI
1x DisplayPort
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GK110
GPU Name
GT216
GK110-885-KA-A1
GPU Variant
GT216 GL
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
7.08 billion
Transistors
0.486 billion
561 mm²
Die Size
100 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.5
CUDA
1.2
5.1
Shader Model
4.1
