NVIDIA Tesla K20c vs AMD Radeon Instinct MI250X

VS

NVIDIA Tesla K20c

AMD Radeon Instinct MI250X

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 128GB VRAM Radeon Instinct MI250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

Lower TDP (225W vs 500W)

AMD Radeon Instinct MI250X 's Advantages

Released 9 years late

Boost Clock1700MHz

More VRAM (128GB vs 5GB)

Larger VRAM bandwidth (3277GB/s vs 208.0GB/s)

11584 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K20c

3.524 TFLOPS

Radeon Instinct MI250X +1258%

47.87 TFLOPS

Tesla K20c

VS

Radeon Instinct MI250X

Graphics Card

Nov 2012

Release Date

Nov 2021

Tesla

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1700 MHz

1300 MHz

Memory Clock

1600 MHz

Memory

5GB

Memory Size

128GB

GDDR5

Memory Type

HBM2e

320bit

Memory Bus

8192bit

208.0GB/s

Bandwidth

3277GB/s

Render Config

-

Compute Units

220

-

2496

Shading Units

14080

208

TMUs

880

40

ROPs

0

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1280 KB

L2 Cache

16 MB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

0 MPixel/s

146.8 GTexel/s

Texture Rate

1496 GTexel/s

-

FP16 (half)

383.0 TFLOPS

3.524 TFLOPS

FP32 (float)

47.87 TFLOPS

1175 GFLOPS

FP64 (double)

47.87 TFLOPS

Board Design

225W

TDP

500W

550 W

Suggested PSU

900 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GK110

GPU Name

Aldebaran

GK110-885-KA-A1

GPU Variant

Aldebaran XT

Kepler

Architecture

CDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

7.08 billion

Transistors

58.2 billion

561 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

N/A

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