AMD Radeon Instinct MI325X vs AMD Radeon HD 7970 X2

VS

AMD Radeon Instinct MI325X

AMD Radeon HD 7970 X2

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 3GB VRAM Radeon HD 7970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI325X 's Advantages

Released 12 years and 2 months late

Boost Clock2100MHz

More VRAM (288GB vs 3GB)

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

17408 additional rendering cores

AMD Radeon HD 7970 X2 's Advantages

Lower TDP (500W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X +2056%

81.72 TFLOPS

Radeon HD 7970 X2

3.789 TFLOPS

Radeon Instinct MI325X

VS

Radeon HD 7970 X2

Graphics Card

Oct 2024

Release Date

Aug 2012

Radeon Instinct(MIx)

Generation

Southern 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

29.60 GPixel/s

2554 GTexel/s

Texture Rate

118.4 GTexel/s

653.7 TFLOPS

FP16 (half)

-

81.72 TFLOPS

FP32 (float)

3.789 TFLOPS

81.72 TFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

750W

TDP

500W

1150 W

Suggested PSU

900 W

No outputs

Outputs

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

None

Power Connectors

3x 8-pin

Graphics Processor

Aqua Vanjaram

GPU Name

New Zealand

-

CDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

153 billion

Transistors

4.313 billion

1017 mm²

Die Size

352 mm²

Graphics Features

N/A

DirectX

12 (11_1)

N/A

OpenGL

4.6

3.0

OpenCL

1.2

N/A

Vulkan

1.2

-

N/A

Shader Model

5.1

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