AMD Radeon Instinct MI325X vs AMD Radeon RX 7900 GRE

VS

AMD Radeon Instinct MI325X

AMD Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 16GB VRAM Radeon RX 7900 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI325X 's Advantages

Released 1 years and 3 months late

More VRAM (288GB vs 16GB)

Larger VRAM bandwidth (10.3TB/s vs 576.0GB/s)

14336 additional rendering cores

AMD Radeon RX 7900 GRE 's Advantages

Boost Clock has increased by 7% (2245MHz vs 2100MHz)

Lower TDP (260W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X +77%

81.72 TFLOPS

Radeon RX 7900 GRE

45.98 TFLOPS

Radeon Instinct MI325X

VS

Radeon RX 7900 GRE

Graphics Card

Oct 2024

Release Date

Jul 2023

Radeon Instinct(MIx)

Generation

Navi III

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1287 MHz

2100 MHz

Boost Clock

2245 MHz

2525 MHz

Memory Clock

2250 MHz

Memory

288GB

Memory Size

16GB

HBM3e

Memory Type

GDDR6

8192bit

Memory Bus

256bit

10.3TB/s

Bandwidth

576.0GB/s

Render Config

304

Compute Units

80

-

19456

Shading Units

5120

1216

TMUs

320

0

ROPs

160

1216

Tensor Cores

-

RT Cores

80

16 KB (per CU)

L1 Cache

256 KB per Array

16 MB

L2 Cache

6 MB

256 MB

L3 Cache

64 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

359.2 GPixel/s

2554 GTexel/s

Texture Rate

718.4 GTexel/s

653.7 TFLOPS

FP16 (half)

91.96 TFLOPS

81.72 TFLOPS

FP32 (float)

45.98 TFLOPS

81.72 TFLOPS

FP64 (double)

1437 GFLOPS

Board Design

750W

TDP

260W

1150 W

Suggested PSU

600 W

No outputs

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

None

Power Connectors

2x 8-pin

Graphics Processor

Aqua Vanjaram

GPU Name

Navi 31

-

GPU Variant

Navi 31 XL (215-145000206)

CDNA 3.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

153 billion

Transistors

57.7 billion

1017 mm²

Die Size

529 mm²

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

6.7

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