Tesla K80 vs Tesla C2070
We compared two Professional market GPUs: 12GB VRAM Tesla K80 and 6GB VRAM Tesla C2070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Tesla K80 's Advantages
Released 3 years and 4 months late
Boost Clock824MHz
More VRAM (12GB vs 6GB)
Larger VRAM bandwidth (240.6GB/s vs 143.4GB/s)
2048 additional rendering cores
Tesla C2070 's Advantages
Lower TDP (238W vs 300W)
Score
Benchmark
FP32 (float)
Tesla K80
+300%
4113
Tesla C2070
1028
Graphics Card
Nov 2014
Release Date
Jul 2011
Tesla
Generation
Tesla
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
562 MHz
Base Clock
-
824 MHz
Boost Clock
-
1253 MHz
Memory Clock
747 MHz
Memory
12GB
Memory Size
6GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
240.6GB/s
Bandwidth
143.4GB/s
Render Config
-
SM Count
14
2496
Shading Units
448
208
TMUs
56
48
ROPs
48
16 KB (per SMX)
L1 Cache
64 KB (per SM)
1536 KB
L2 Cache
768 KB
Theoretical Performance
42.85 GPixel/s
Pixel Rate
16.07 GPixel/s
171.4 GTexel/s
Texture Rate
32.14 GTexel/s
4.113 TFLOPS
FP32 (float)
1028 GFLOPS
1371 GFLOPS
FP64 (double)
513.9 GFLOPS
Board Design
300W
TDP
238W
700 W
Suggested PSU
550 W
No outputs
Outputs
1x DVI
1x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
GK210
GPU Name
GF100
GK210-885-A1
GPU Variant
-
Kepler 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
7.1 billion
Transistors
3.1 billion
561 mm²
Die Size
529 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.7
CUDA
2.0
5.1
Shader Model
5.1
