AMD Radeon Instinct MI325X vs ATI Radeon HD 3850 X2

VS

AMD Radeon Instinct MI325X

ATI Radeon HD 3850 X2

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 512MB VRAM Radeon HD 3850 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 16 years and 6 months late

Boost Clock2100MHz

More VRAM (288GB vs 512GB)

Larger VRAM bandwidth (10.3TB/s vs 52.99GB/s)

19136 additional rendering cores

ATI Radeon HD 3850 X2 's Advantages

Lower TDP (140W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X +18993%

81.72 TFLOPS

Radeon HD 3850 X2

0.428 TFLOPS

Radeon Instinct MI325X

VS

Radeon HD 3850 X2

Graphics Card

Oct 2024

Release Date

Apr 2008

Radeon Instinct(MIx)

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

2100 MHz

Boost Clock

-

2525 MHz

Memory Clock

828 MHz

Memory

288GB

Memory Size

512MB

HBM3e

Memory Type

GDDR3

8192bit

Memory Bus

256bit

10.3TB/s

Bandwidth

52.99GB/s

Render Config

304

Compute Units

4

-

19456

Shading Units

320

1216

TMUs

16

0

ROPs

16

1216

Tensor Cores

-

16 KB (per CU)

L1 Cache

-

16 MB

L2 Cache

256 KB

256 MB

L3 Cache

-

Theoretical Performance

0 MPixel/s

Pixel Rate

10.70 GPixel/s

2554 GTexel/s

Texture Rate

10.70 GTexel/s

653.7 TFLOPS

FP16 (half)

-

81.72 TFLOPS

FP32 (float)

428.2 GFLOPS

81.72 TFLOPS

FP64 (double)

85.63 GFLOPS

Board Design

750W

TDP

140W

1150 W

Suggested PSU

300 W

No outputs

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

Aqua Vanjaram

GPU Name

RV670

-

GPU Variant

RV670 PRO (215-0708003)

CDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

153 billion

Transistors

0.666 billion

1017 mm²

Die Size

192 mm²

Graphics Features

N/A

DirectX

10.1 (10_1)

N/A

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

Vulkan

N/A

-

N/A

Shader Model

4.1

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