NVIDIA GeForce RTX 4080 vs AMD Radeon Instinct MI325X

VS

NVIDIA GeForce RTX 4080

AMD Radeon Instinct MI325X

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 288GB VRAM Radeon Instinct MI325X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 's Advantages

Boost Clock has increased by 19% (2505MHz vs 2100MHz)

Lower TDP (320W vs 750W)

AMD Radeon Instinct MI325X 's Advantages

Released 2 years and 1 months late

More VRAM (288GB vs 16GB)

Larger VRAM bandwidth (10.3TB/s vs 716.8GB/s)

9728 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080

48.74 TFLOPS

Radeon Instinct MI325X +67%

81.72 TFLOPS

GeForce RTX 4080

VS

Radeon Instinct MI325X

Graphics Card

Sep 2022

Release Date

Oct 2024

GeForce 40

Generation

Radeon Instinct(MIx)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

2205 MHz

Base Clock

1000 MHz

2505 MHz

Boost Clock

2100 MHz

1400 MHz

Memory Clock

2525 MHz

Memory

16GB

Memory Size

288GB

GDDR6X

Memory Type

HBM3e

256bit

Memory Bus

8192bit

716.8GB/s

Bandwidth

10.3TB/s

Render Config

-

Compute Units

304

76

SM Count

-

9728

Shading Units

19456

304

TMUs

1216

112

ROPs

0

304

Tensor Cores

1216

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

16 MB

-

L3 Cache

256 MB

Theoretical Performance

280.6 GPixel/s

Pixel Rate

0 MPixel/s

761.5 GTexel/s

Texture Rate

2554 GTexel/s

48.74 TFLOPS

FP16 (half)

653.7 TFLOPS

48.74 TFLOPS

FP32 (float)

81.72 TFLOPS

761.5 GFLOPS

FP64 (double)

81.72 TFLOPS

Board Design

320W

TDP

750W

700 W

Suggested PSU

1150 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

None

Graphics Processor

AD103

GPU Name

Aqua Vanjaram

AD103-300-A1

GPU Variant

-

Ada Lovelace

Architecture

CDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

45.9 billion

Transistors

153 billion

379 mm²

Die Size

1017 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

N/A

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