NVIDIA Tesla K20X vs NVIDIA Tesla X2090

VS

NVIDIA Tesla K20X NVIDIA Tesla X2090

We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 6GB VRAM Tesla X2090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20X 's Advantages

Released 1 years and 4 months late

Larger VRAM bandwidth (249.6GB/s vs 177.4GB/s)

2176 additional rendering cores

NVIDIA Tesla X2090 's Advantages

Lower TDP (225W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20X +195%

3.935 TFLOPS

Tesla X2090

1.332 TFLOPS

Tesla K20X

VS

Tesla X2090

Graphics Card

Nov 2012

Release Date

Jul 2011

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1300 MHz

Memory Clock

924 MHz

Memory

6GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

249.6GB/s

Bandwidth

177.4GB/s

Render Config

-

SM Count

16

-

Compute Units

-

2688

Shading Units

512

224

TMUs

64

48

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1536 KB

L2 Cache

768 KB

Theoretical Performance

40.99 GPixel/s

Pixel Rate

20.83 GPixel/s

164.0 GTexel/s

Texture Rate

41.66 GTexel/s

-

FP16 (half)

-

3.935 TFLOPS

FP32 (float)

1332 GFLOPS

1312 GFLOPS

FP64 (double)

666.1 GFLOPS

Graphics Processor

GK110

GPU Name

GF110

-

GPU Variant

-

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

3 billion

561 mm²

Die Size

520 mm²

Board Design

235W

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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