AMD Radeon Instinct MI250X vs NVIDIA Tesla K20X

VS

AMD Radeon Instinct MI250X NVIDIA Tesla K20X

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI250X and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI250X 's Advantages

Released 9 years late

Boost Clock1700MHz

More VRAM (128GB vs 6GB)

Larger VRAM bandwidth (3277GB/s vs 249.6GB/s)

11392 additional rendering cores

NVIDIA Tesla K20X 's Advantages

Lower TDP (235W vs 500W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI250X +1116%

47.87 TFLOPS

Tesla K20X

3.935 TFLOPS

Radeon Instinct MI250X

VS

Tesla K20X

Graphics Card

Nov 2021

Release Date

Nov 2012

Radeon Instinct

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1700 MHz

Boost Clock

-

1600 MHz

Memory Clock

1300 MHz

Memory

128GB

Memory Size

6GB

HBM2e

Memory Type

GDDR5

8192bit

Memory Bus

384bit

3277GB/s

Bandwidth

249.6GB/s

Render Config

-

SM Count

-

220

Compute Units

-

14080

Shading Units

2688

880

TMUs

224

0

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

16 MB

L2 Cache

1536 KB

Theoretical Performance

0 MPixel/s

Pixel Rate

40.99 GPixel/s

1496 GTexel/s

Texture Rate

164.0 GTexel/s

383.0 TFLOPS

FP16 (half)

-

47.87 TFLOPS

FP32 (float)

3.935 TFLOPS

47.87 TFLOPS

FP64 (double)

1312 GFLOPS

Graphics Processor

Aldebaran

GPU Name

GK110

Aldebaran XT

GPU Variant

-

CDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

58.2 billion

Transistors

7.08 billion

Unknown

Die Size

561 mm²

Board Design

500W

TDP

235W

900 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

N/A

Shader Model

5.1

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