Home GPU Comparison NVIDIA Tesla X2070 vs NVIDIA Tesla K40c

NVIDIA Tesla X2070 vs NVIDIA Tesla K40c

We compared two Professional market GPUs: 6GB VRAM Tesla X2070 and 12GB VRAM Tesla K40c to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla X2070 's Advantages
Lower TDP (225W vs 245W)
NVIDIA Tesla K40c 's Advantages
Released 2 years and 3 months late
Boost Clock876MHz
More VRAM (12GB vs 6GB)
Larger VRAM bandwidth (288.4GB/s vs 177.4GB/s)
2432 additional rendering cores

Score

Benchmark

FP32 (float)
Tesla X2070
1.166 TFLOPS
Tesla K40c +332%
5.046 TFLOPS
VS

Graphics Card

Jul 2011
Release Date
Oct 2013
Tesla
Generation
Tesla
Professional
Type
Professional
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
745 MHz
-
Boost Clock
876 MHz
924 MHz
Memory Clock
1502 MHz

Memory

6GB
Memory Size
12GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
177.4GB/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

18.23 GPixel/s
Pixel Rate
52.56 GPixel/s
36.46 GTexel/s
Texture Rate
210.2 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
5.046 TFLOPS
582.8 GFLOPS
FP64 (double)
1.682 TFLOPS

Board Design

225W
TDP
245W
550 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
-
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GF100
GPU Name
GK180
GF100-876-A3
GPU Variant
GK180-890-A1
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_0)
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

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