AMD Radeon Instinct MI100 vs AMD Radeon RX 7900 XTX

VS

AMD Radeon Instinct MI100 AMD Radeon RX 7900 XTX

We compared a Professional market GPU: 32GB VRAM Radeon Instinct MI100 and a Desktop platform GPU: 24GB VRAM Radeon RX 7900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI100 's Advantages

More VRAM (32GB vs 24GB)

Larger VRAM bandwidth (1229GB/s vs 960.0GB/s)

1536 additional rendering cores

Lower TDP (300W vs 355W)

AMD Radeon RX 7900 XTX 's Advantages

Released 2 years late

Boost Clock has increased by 66% (2498MHz vs 1502MHz)

Score

Benchmark

FP32 (float)

Radeon Instinct MI100

23.07 TFLOPS

Radeon RX 7900 XTX +166%

61.39 TFLOPS

Radeon Instinct MI100

VS

Radeon RX 7900 XTX

Graphics Card

Nov 2020

Release Date

Nov 2022

Radeon Instinct

Generation

Navi III

Professional

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1929 MHz

1502 MHz

Boost Clock

2498 MHz

1200 MHz

Memory Clock

2500 MHz

Memory

32GB

Memory Size

24GB

HBM2

Memory Type

GDDR6

4096bit

Memory Bus

384bit

1229GB/s

Bandwidth

960.0GB/s

Render Config

-

SM Count

-

120

Compute Units

96

7680

Shading Units

6144

480

TMUs

384

64

ROPs

192

-

Tensor Cores

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

8 MB

L2 Cache

6 MB

Theoretical Performance

96.13 GPixel/s

Pixel Rate

479.6 GPixel/s

721.0 GTexel/s

Texture Rate

959.2 GTexel/s

184.6 TFLOPS

FP16 (half)

122.8 TFLOPS

23.07 TFLOPS

FP32 (float)

61.39 TFLOPS

11.54 TFLOPS

FP64 (double)

1.918 TFLOPS

Graphics Processor

Arcturus

GPU Name

Navi 31

Arcturus XL

GPU Variant

Navi 31 XTX (215-145000146)

CDNA 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

25.6 billion

Transistors

57.7 billion

750 mm²

Die Size

529 mm²

Board Design

300W

TDP

355W

700 W

Suggested PSU

750 W

No outputs

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

2x 8-pin

Power Connectors

2x 8-pin

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

2.1

OpenCL

2.2

N/A

Vulkan

1.3

-

CUDA

-

N/A

Shader Model

6.7

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