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