AMD Radeon Instinct MI325X vs AMD Radeon R9 285X

VS

AMD Radeon Instinct MI325X

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI325X 's Advantages

Boost Clock2100MHz

More VRAM (288GB vs 3GB)

Larger VRAM bandwidth (10.3TB/s vs 264.0GB/s)

17408 additional rendering cores

AMD Radeon R9 285X 's Advantages

Lower TDP (200W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X +1891%

81.72 TFLOPS

Radeon R9 285X

4.104 TFLOPS

Radeon Instinct MI325X

VS

Radeon R9 285X

Graphics Card

Oct 2024

Release Date

Unknown

Radeon Instinct(MIx)

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

2100 MHz

Boost Clock

-

2525 MHz

Memory Clock

1375 MHz

Memory

288GB

Memory Size

3GB

HBM3e

Memory Type

GDDR5

8192bit

Memory Bus

384bit

10.3TB/s

Bandwidth

264.0GB/s

Render Config

304

Compute Units

32

-

19456

Shading Units

2048

1216

TMUs

128

0

ROPs

32

1216

Tensor Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

768 KB

256 MB

L3 Cache

-

Theoretical Performance

0 MPixel/s

Pixel Rate

32.06 GPixel/s

2554 GTexel/s

Texture Rate

128.3 GTexel/s

653.7 TFLOPS

FP16 (half)

-

81.72 TFLOPS

FP32 (float)

4.104 TFLOPS

81.72 TFLOPS

FP64 (double)

-

Board Design

750W

TDP

200W

1150 W

Suggested PSU

550 W

No outputs

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Aqua Vanjaram

GPU Name

Tonga

-

GPU Variant

Tonga XT (215-0851313)

CDNA 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

153 billion

Transistors

5 billion

1017 mm²

Die Size

366 mm²

Graphics Features

N/A

DirectX

12 (12_0)

N/A

OpenGL

4.6

3.0

OpenCL

2.0

N/A

Vulkan

1.2

-

N/A

Shader Model

6.3

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