NVIDIA Tesla K20c vs NVIDIA A10G

VS

NVIDIA Tesla K20c

NVIDIA A10G

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 12GB VRAM A10G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A10G 's Advantages

Released 8 years and 5 months late

Boost Clock1710MHz

More VRAM (12GB vs 5GB)

Larger VRAM bandwidth (600.2GB/s vs 208.0GB/s)

6720 additional rendering cores

Lower TDP (150W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c

3.524 TFLOPS

A10G +794%

31.52 TFLOPS

Tesla K20c

VS

A10G

Graphics Card

Nov 2012

Release Date

Apr 2021

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1320 MHz

-

Boost Clock

1710 MHz

1300 MHz

Memory Clock

1563 MHz

Memory

5GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

320bit

Memory Bus

384bit

208.0GB/s

Bandwidth

600.2GB/s

Render Config

-

SM Count

72

2496

Shading Units

9216

208

TMUs

288

40

ROPs

96

-

Tensor Cores

288

-

RT Cores

72

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1280 KB

L2 Cache

6 MB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

164.2 GPixel/s

146.8 GTexel/s

Texture Rate

492.5 GTexel/s

-

FP16 (half)

31.52 TFLOPS

3.524 TFLOPS

FP32 (float)

31.52 TFLOPS

1175 GFLOPS

FP64 (double)

985.0 GFLOPS

Board Design

225W

TDP

150W

550 W

Suggested PSU

450 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

8-pin EPS

Graphics Processor

GK110

GPU Name

GA102

GK110-885-KA-A1

GPU Variant

GA102-890-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

7.08 billion

Transistors

28.3 billion

561 mm²

Die Size

628 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

8.6

5.1

Shader Model

6.6

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