AMD Radeon Instinct MI325X vs AMD Radeon RX 550X

VS

AMD Radeon Instinct MI325X

AMD Radeon RX 550X

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI325X 's Advantages

Released 5 years and 10 months late

Boost Clock has increased by 78% (2100MHz vs 1183MHz)

More VRAM (288GB vs 4GB)

Larger VRAM bandwidth (10.3TB/s vs 96.00GB/s)

18944 additional rendering cores

AMD Radeon RX 550X 's Advantages

Lower TDP (50W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X +6648%

81.72 TFLOPS

Radeon RX 550X

1.211 TFLOPS

Radeon Instinct MI325X

VS

Radeon RX 550X

Graphics Card

Oct 2024

Release Date

Dec 2018

Radeon Instinct(MIx)

Generation

Polaris

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

1100 MHz

2100 MHz

Boost Clock

1183 MHz

2525 MHz

Memory Clock

1500 MHz

Memory

288GB

Memory Size

4GB

HBM3e

Memory Type

GDDR5

8192bit

Memory Bus

128bit

10.3TB/s

Bandwidth

96.00GB/s

Render Config

304

Compute Units

8

-

19456

Shading Units

512

1216

TMUs

32

0

ROPs

16

1216

Tensor Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

512 KB

256 MB

L3 Cache

-

Theoretical Performance

0 MPixel/s

Pixel Rate

18.93 GPixel/s

2554 GTexel/s

Texture Rate

37.86 GTexel/s

653.7 TFLOPS

FP16 (half)

1211 GFLOPS

81.72 TFLOPS

FP32 (float)

1211 GFLOPS

81.72 TFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

750W

TDP

50W

1150 W

Suggested PSU

250 W

No outputs

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Aqua Vanjaram

GPU Name

Lexa

-

GPU Variant

Lexa PRO (215-0904018)

CDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

153 billion

Transistors

2.2 billion

1017 mm²

Die Size

103 mm²

Graphics Features

N/A

DirectX

12 (12_0)

N/A

OpenGL

4.6

3.0

OpenCL

2.1

N/A

Vulkan

1.2

-

N/A

Shader Model

6.4

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