NVIDIA Tesla X2090 vs NVIDIA Tesla K20s

VS

NVIDIA Tesla X2090

NVIDIA Tesla K20s

We compared two Professional market GPUs: 6GB VRAM Tesla X2090 and 5GB VRAM Tesla K20s to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla X2090 's Advantages

More VRAM (6GB vs 5GB)

NVIDIA Tesla K20s 's Advantages

Released 1 years and 7 months late

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

1984 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla X2090

1.332 TFLOPS

Tesla K20s +115%

2.87 TFLOPS

Tesla X2090

VS

Tesla K20s

Graphics Card

Jul 2011

Release Date

Feb 2013

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

924 MHz

Memory Clock

1300 MHz

Memory

6GB

Memory Size

5GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

320bit

177.4GB/s

Bandwidth

208.0GB/s

Render Config

-

16

SM Count

-

512

Shading Units

2496

64

TMUs

208

48

ROPs

40

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

1280 KB

-

Theoretical Performance

20.83 GPixel/s

Pixel Rate

29.90 GPixel/s

41.66 GTexel/s

Texture Rate

119.6 GTexel/s

-

1332 GFLOPS

FP32 (float)

2.870 TFLOPS

666.1 GFLOPS

FP64 (double)

956.8 GFLOPS

Board Design

225W

TDP

225W

550 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

-

Graphics Processor

GF110

GPU Name

GK110

-

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3 billion

Transistors

7.08 billion

520 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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