AMD Instinct MI300X vs AMD Radeon PRO W7900

VS

AMD Instinct MI300X AMD Radeon PRO W7900

We compared two Professional market GPUs: 192GB VRAM AMD Instinct MI300X and 48GB VRAM Radeon PRO W7900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300X 's Advantages

Released 8 months late

More VRAM (192GB vs 48GB)

Larger VRAM bandwidth (5300GB/s vs 864.0GB/s)

13312 additional rendering cores

AMD Radeon PRO W7900 's Advantages

Boost Clock has increased by 19% (2495MHz vs 2100MHz)

Lower TDP (295W vs 750W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300X +166%

163.4 TFLOPS

Radeon PRO W7900

61.32 TFLOPS

AMD Instinct MI300X

VS

Radeon PRO W7900

Graphics Card

Dec 2023

Release Date

Apr 2023

Instinct

Generation

Radeon Pro Navi

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1855 MHz

2100 MHz

Boost Clock

2495 MHz

5200 MHz

Memory Clock

2250 MHz

Memory

192GB

Memory Size

48GB

HBM3

Memory Type

GDDR6

8192bit

Memory Bus

384bit

5300GB/s

Bandwidth

864.0GB/s

Render Config

-

SM Count

-

304

Compute Units

96

19456

Shading Units

6144

880

TMUs

384

0

ROPs

192

-

Tensor Cores

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

16 MB

L2 Cache

6 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

479.0 GPixel/s

1496 GTexel/s

Texture Rate

958.1 GTexel/s

1300 TFLOPS

FP16 (half)

122.6 TFLOPS

163.4 TFLOPS

FP32 (float)

61.32 TFLOPS

81.7 TFLOPS

FP64 (double)

1.916 TFLOPS

Graphics Processor

MI300

GPU Name

Navi 31

-

GPU Variant

Navi 31

CDNA 3.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

146 billion

Transistors

57.7 billion

1017 mm²

Die Size

529 mm²

Board Design

750W

TDP

295W

1000 W

Suggested PSU

600 W

No outputs

Outputs

3x DisplayPort 2.1 1x mini-DisplayPort 2.1

None

Power Connectors

2x 8-pin

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

2.2

N/A

Vulkan

1.3

-

CUDA

-

N/A

Shader Model

6.7

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