AMD Radeon Instinct MI325X vs AMD Radeon RX 8800 XT

VS

AMD Radeon Instinct MI325X

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI325X 's Advantages

More VRAM (288GB vs 16GB)

Larger VRAM bandwidth (10.3TB/s vs 624.1GB/s)

15360 additional rendering cores

AMD Radeon RX 8800 XT 's Advantages

Boost Clock has increased by 16% (2430MHz vs 2100MHz)

Lower TDP (220W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X +310%

81.72 TFLOPS

Radeon RX 8800 XT

19.91 TFLOPS

Radeon Instinct MI325X

VS

Radeon RX 8800 XT

Graphics Card

Oct 2024

Release Date

Unknown

Radeon Instinct(MIx)

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1295 MHz

2100 MHz

Boost Clock

2430 MHz

2525 MHz

Memory Clock

2438 MHz

Memory

288GB

Memory Size

16GB

HBM3e

Memory Type

GDDR6

8192bit

Memory Bus

256bit

10.3TB/s

Bandwidth

624.1GB/s

Render Config

304

Compute Units

64

-

19456

Shading Units

4096

1216

TMUs

256

0

ROPs

96

1216

Tensor Cores

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB per Array

16 MB

L2 Cache

4 MB

256 MB

L3 Cache

64 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

233.3 GPixel/s

2554 GTexel/s

Texture Rate

622.1 GTexel/s

653.7 TFLOPS

FP16 (half)

39.81 TFLOPS

81.72 TFLOPS

FP32 (float)

19.91 TFLOPS

81.72 TFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

750W

TDP

220W

1150 W

Suggested PSU

550 W

No outputs

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

None

Power Connectors

2x 8-pin

Graphics Processor

Aqua Vanjaram

GPU Name

Navi 48

-

GPU Variant

Navi 48 XT

CDNA 3.0

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

153 billion

Transistors

Unknown

1017 mm²

Die Size

Unknown

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

2.2

N/A

Vulkan

1.3

-

N/A

Shader Model

6.8

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