NVIDIA Tesla K20c vs NVIDIA Tesla K20s
We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 5GB VRAM Tesla K20s to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Score
Benchmark
FP32 (float)
Tesla K20c
+22%
3.524 TFLOPS
Tesla K20s
2.87 TFLOPS
Graphics Card
Nov 2012
Release Date
Feb 2013
Tesla
Generation
Tesla
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1300 MHz
Memory Clock
1300 MHz
Memory
5GB
Memory Size
5GB
GDDR5
Memory Type
GDDR5
320bit
Memory Bus
320bit
208.0GB/s
Bandwidth
208.0GB/s
Render Config
-
-
-
-
-
-
2496
Shading Units
2496
208
TMUs
208
40
ROPs
40
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
1280 KB
L2 Cache
1280 KB
-
-
-
Theoretical Performance
36.71 GPixel/s
Pixel Rate
29.90 GPixel/s
146.8 GTexel/s
Texture Rate
119.6 GTexel/s
-
-
-
3.524 TFLOPS
FP32 (float)
2.870 TFLOPS
1175 GFLOPS
FP64 (double)
956.8 GFLOPS
Board Design
225W
TDP
225W
550 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
-
Graphics Processor
GK110
GPU Name
GK110
GK110-885-KA-A1
GPU Variant
-
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
7.08 billion
561 mm²
Die Size
561 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.5
CUDA
3.5
5.1
Shader Model
5.1
