NVIDIA Tesla K20c vs NVIDIA Tesla C2090

VS

NVIDIA Tesla K20c NVIDIA Tesla C2090

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 6GB VRAM Tesla C2090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

Released 1 years and 4 months late

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

1984 additional rendering cores

Lower TDP (225W vs 250W)

NVIDIA Tesla C2090 's Advantages

More VRAM (6GB vs 5GB)

Score

Benchmark

FP32 (float)

Tesla K20c +164%

3.524 TFLOPS

Tesla C2090

1.332 TFLOPS

Tesla K20c

VS

Tesla C2090

Graphics Card

Nov 2012

Release Date

Jul 2011

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

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

16

-

Compute Units

-

2496

Shading Units

512

208

TMUs

64

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

20.83 GPixel/s

146.8 GTexel/s

Texture Rate

41.66 GTexel/s

-

FP16 (half)

-

3.524 TFLOPS

FP32 (float)

1332 GFLOPS

1175 GFLOPS

FP64 (double)

666.1 GFLOPS

Graphics Processor

GK110

GPU Name

GF110

GK110-885-KA-A1

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

225W

TDP

250W

550 W

Suggested PSU

600 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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