NVIDIA Tesla K20X vs NVIDIA Tesla C2050

VS

NVIDIA Tesla K20X NVIDIA Tesla C2050

We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 3GB VRAM Tesla C2050 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

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (249.6GB/s vs 144.0GB/s)

2240 additional rendering cores

Lower TDP (235W vs 238W)

Score

Benchmark

FP32 (float)

Tesla K20X +282%

3.935 TFLOPS

Tesla C2050

1.028 TFLOPS

Tesla K20X

VS

Tesla C2050

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

750 MHz

Memory

6GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

249.6GB/s

Bandwidth

144.0GB/s

Render Config

-

SM Count

14

-

Compute Units

-

2688

Shading Units

448

224

TMUs

56

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

16.07 GPixel/s

164.0 GTexel/s

Texture Rate

32.14 GTexel/s

-

FP16 (half)

-

3.935 TFLOPS

FP32 (float)

1028 GFLOPS

1312 GFLOPS

FP64 (double)

513.9 GFLOPS

Graphics Processor

GK110

GPU Name

GF100

-

GPU Variant

GF100-850-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

235W

TDP

238W

550 W

Suggested PSU

550 W

No outputs

Outputs

1x DVI

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

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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