NVIDIA Tesla K20m vs NVIDIA Tesla X2070

VS

NVIDIA Tesla K20m NVIDIA Tesla X2070

We compared two Professional market GPUs: 5GB VRAM Tesla K20m and 6GB VRAM Tesla X2070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20m 's Advantages

Released 1 years and 6 months late

Larger VRAM bandwidth (208.0GB/s vs 177.4GB/s)

2048 additional rendering cores

NVIDIA Tesla X2070 's Advantages

More VRAM (6GB vs 5GB)

Score

Benchmark

FP32 (float)

Tesla K20m +202%

3.524 TFLOPS

Tesla X2070

1.166 TFLOPS

Tesla K20m

VS

Tesla X2070

Graphics Card

Jan 2013

Release Date

Jul 2011

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1300 MHz

Memory Clock

924 MHz

Memory

5GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

384bit

208.0GB/s

Bandwidth

177.4GB/s

Render Config

-

SM Count

14

-

Compute Units

-

2496

Shading Units

448

208

TMUs

56

40

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1280 KB

L2 Cache

768 KB

Theoretical Performance

36.71 GPixel/s

Pixel Rate

18.23 GPixel/s

146.8 GTexel/s

Texture Rate

36.46 GTexel/s

-

FP16 (half)

-

3.524 TFLOPS

FP32 (float)

1166 GFLOPS

1175 GFLOPS

FP64 (double)

582.8 GFLOPS

Graphics Processor

GK110

GPU Name

GF100

-

GPU Variant

GF100-876-A3

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

3.1 billion

561 mm²

Die Size

529 mm²

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 Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

2.0

5.1

Shader Model

5.1

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