AMD Radeon PRO W7900 vs AMD Radeon Instinct MI8

VS

AMD Radeon PRO W7900

AMD Radeon Instinct MI8

We compared two Professional market GPUs: 48GB VRAM Radeon PRO W7900 and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon PRO W7900 's Advantages

Released 6 years and 4 months late

Boost Clock2495MHz

More VRAM (48GB vs 4GB)

Larger VRAM bandwidth (864.0GB/s vs 512.0GB/s)

2048 additional rendering cores

AMD Radeon Instinct MI8 's Advantages

Lower TDP (175W vs 295W)

Score

Benchmark

FP32 (float)

Radeon PRO W7900 +648%

61.32 TFLOPS

Radeon Instinct MI8

8.192 TFLOPS

Radeon PRO W7900

VS

Radeon Instinct MI8

Graphics Card

Apr 2023

Release Date

Dec 2016

Radeon Pro Navi

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1855 MHz

Base Clock

-

2495 MHz

Boost Clock

-

2250 MHz

Memory Clock

500 MHz

Memory

48GB

Memory Size

4GB

GDDR6

Memory Type

HBM

384bit

Memory Bus

4096bit

864.0GB/s

Bandwidth

512.0GB/s

Render Config

96

Compute Units

64

-

6144

Shading Units

4096

384

TMUs

256

192

ROPs

64

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

2 MB

96 MB

L3 Cache

-

Theoretical Performance

479.0 GPixel/s

Pixel Rate

64.00 GPixel/s

958.1 GTexel/s

Texture Rate

256.0 GTexel/s

122.6 TFLOPS

FP16 (half)

8.192 TFLOPS

61.32 TFLOPS

FP32 (float)

8.192 TFLOPS

1.916 TFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

295W

TDP

175W

600 W

Suggested PSU

450 W

3x DisplayPort 2.1 1x mini-DisplayPort 2.1

Outputs

No outputs

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 31

GPU Name

Fiji

Navi 31

GPU Variant

Fiji XT CA (215-0862120)

RDNA 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

8.9 billion

529 mm²

Die Size

596 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2.170

-

6.7

Shader Model

6.5

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