AMD Radeon Instinct MI325X vs NVIDIA RTX A4000H

VS

AMD Radeon Instinct MI325X

NVIDIA RTX A4000H

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 16GB VRAM RTX A4000H to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI325X 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 35% (2100MHz vs 1560MHz)

More VRAM (288GB vs 16GB)

Larger VRAM bandwidth (10.3TB/s vs 448.0GB/s)

13312 additional rendering cores

NVIDIA RTX A4000H 's Advantages

Lower TDP (140W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X +326%

81.72 TFLOPS

RTX A4000H

19.17 TFLOPS

Radeon Instinct MI325X

VS

RTX A4000H

Graphics Card

Oct 2024

Release Date

Apr 2021

Radeon Instinct(MIx)

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

735 MHz

2100 MHz

Boost Clock

1560 MHz

2525 MHz

Memory Clock

1750 MHz

Memory

288GB

Memory Size

16GB

HBM3e

Memory Type

GDDR6

8192bit

Memory Bus

256bit

10.3TB/s

Bandwidth

448.0GB/s

Render Config

304

Compute Units

-

SM Count

48

19456

Shading Units

6144

1216

TMUs

192

0

ROPs

96

1216

Tensor Cores

192

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

4 MB

256 MB

L3 Cache

-

Theoretical Performance

0 MPixel/s

Pixel Rate

149.8 GPixel/s

2554 GTexel/s

Texture Rate

299.5 GTexel/s

653.7 TFLOPS

FP16 (half)

19.17 TFLOPS

81.72 TFLOPS

FP32 (float)

19.17 TFLOPS

81.72 TFLOPS

FP64 (double)

299.5 GFLOPS

Board Design

750W

TDP

140W

1150 W

Suggested PSU

300 W

No outputs

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

Aqua Vanjaram

GPU Name

GA104

-

GPU Variant

GA104-???-A1

CDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

153 billion

Transistors

17.4 billion

1017 mm²

Die Size

392 mm²

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

N/A

Shader Model

6.7

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