NVIDIA Tesla C2070 vs NVIDIA Tesla K40m
We compared two Professional market GPUs: 6GB VRAM Tesla C2070 and 12GB VRAM Tesla K40m 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 245W)
NVIDIA Tesla K40m 's Advantages
Released 2 years and 4 months late
Boost Clock876MHz
More VRAM (12GB vs 6GB)
Larger VRAM bandwidth (288.4GB/s vs 143.4GB/s)
2432 additional rendering cores
Score
Benchmark
FP32 (float)
Tesla C2070
1.028 TFLOPS
Tesla K40m
+390%
5.046 TFLOPS
Graphics Card
Jul 2011
Release Date
Nov 2013
Tesla
Generation
Tesla
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
745 MHz
-
Boost Clock
876 MHz
747 MHz
Memory Clock
1502 MHz
Memory
6GB
Memory Size
12GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
143.4GB/s
Bandwidth
288.4GB/s
Render Config
-
-
-
14
SM Count
-
448
Shading Units
2880
56
TMUs
240
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
52.56 GPixel/s
32.14 GTexel/s
Texture Rate
210.2 GTexel/s
-
-
-
1028 GFLOPS
FP32 (float)
5.046 TFLOPS
513.9 GFLOPS
FP64 (double)
1.682 TFLOPS
Board Design
238W
TDP
245W
550 W
Suggested PSU
550 W
1x DVI
Outputs
No outputs
1x 8-pin
Power Connectors
-
Graphics Processor
GF100
GPU Name
GK110B
-
-
-
Fermi
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
7.08 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
3.5
5.1
Shader Model
5.1
