NVIDIA Tesla K20X vs AMD Radeon Instinct MI100

VS

NVIDIA Tesla K20X

AMD Radeon Instinct MI100

We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 32GB VRAM Radeon Instinct MI100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20X 's Advantages

Lower TDP (235W vs 300W)

AMD Radeon Instinct MI100 's Advantages

Released 8 years late

Boost Clock1502MHz

More VRAM (32GB vs 6GB)

Larger VRAM bandwidth (1229GB/s vs 249.6GB/s)

4992 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K20X

3.935 TFLOPS

Radeon Instinct MI100 +486%

23.07 TFLOPS

Tesla K20X

VS

Radeon Instinct MI100

Graphics Card

Nov 2012

Release Date

Nov 2020

Tesla

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1502 MHz

1300 MHz

Memory Clock

1200 MHz

Memory

6GB

Memory Size

32GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

4096bit

249.6GB/s

Bandwidth

1229GB/s

Render Config

-

Compute Units

120

-

2688

Shading Units

7680

224

TMUs

480

48

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

8 MB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

96.13 GPixel/s

164.0 GTexel/s

Texture Rate

721.0 GTexel/s

-

FP16 (half)

184.6 TFLOPS

3.935 TFLOPS

FP32 (float)

23.07 TFLOPS

1312 GFLOPS

FP64 (double)

11.54 TFLOPS

Board Design

235W

TDP

300W

550 W

Suggested PSU

700 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GK110

GPU Name

Arcturus

-

GPU Variant

Arcturus XL

Kepler

Architecture

CDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

7.08 billion

Transistors

25.6 billion

561 mm²

Die Size

750 mm²

Graphics Features

12 (11_0)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

2.1

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

N/A

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