AMD Radeon Instinct MI325X vs AMD Radeon HD 6490

VS

AMD Radeon Instinct MI325X

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI325X 's Advantages

Released 13 years and 3 months late

Boost Clock2100MHz

More VRAM (288GB vs 1024GB)

Larger VRAM bandwidth (10.3TB/s vs 16.00GB/s)

19136 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X +23115%

81.72 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon Instinct MI325X

VS

Radeon HD 6490

Graphics Card

Oct 2024

Release Date

Jul 2011

Radeon Instinct(MIx)

Generation

Northern Islands

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

500 MHz

Memory

288GB

Memory Size

1024MB

HBM3e

Memory Type

DDR2

8192bit

Memory Bus

128bit

10.3TB/s

Bandwidth

16.00GB/s

Render Config

304

Compute Units

4

-

19456

Shading Units

320

1216

TMUs

16

0

ROPs

8

1216

Tensor Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

16 MB

L2 Cache

256 KB

256 MB

L3 Cache

-

Theoretical Performance

0 MPixel/s

Pixel Rate

4.400 GPixel/s

2554 GTexel/s

Texture Rate

8.800 GTexel/s

653.7 TFLOPS

FP16 (half)

-

81.72 TFLOPS

FP32 (float)

352.0 GFLOPS

81.72 TFLOPS

FP64 (double)

-

Board Design

750W

TDP

39W

1150 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Aqua Vanjaram

GPU Name

Redwood

-

GPU Variant

Redwood LE

CDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

153 billion

Transistors

0.627 billion

1017 mm²

Die Size

104 mm²

Graphics Features

N/A

DirectX

11.2 (11_0)

N/A

OpenGL

4.4

3.0

OpenCL

1.2

N/A

Vulkan

N/A

-

N/A

Shader Model

5.0

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