AMD Radeon HD 7990 vs AMD Radeon Instinct MI325X

VS

AMD Radeon HD 7990

AMD Radeon Instinct MI325X

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 288GB VRAM Radeon Instinct MI325X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Lower TDP (375W vs 750W)

AMD Radeon Instinct MI325X 's Advantages

Released 11 years and 6 months late

Boost Clock has increased by 110% (2100MHz vs 1000MHz)

More VRAM (288GB vs 3GB)

Larger VRAM bandwidth (10.3TB/s vs 288.0GB/s)

17408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

Radeon Instinct MI325X +1895%

81.72 TFLOPS

Radeon HD 7990

VS

Radeon Instinct MI325X

Graphics Card

Apr 2013

Release Date

Oct 2024

Southern Islands

Generation

Radeon Instinct(MIx)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

950 MHz

Base Clock

1000 MHz

Boost Clock

2100 MHz

1500 MHz

Memory Clock

2525 MHz

Memory

3GB

Memory Size

288GB

GDDR5

Memory Type

HBM3e

384bit

Memory Bus

8192bit

288.0GB/s

Bandwidth

10.3TB/s

Render Config

32

Compute Units

304

-

2048

Shading Units

19456

128

TMUs

1216

32

ROPs

0

-

Tensor Cores

1216

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

16 MB

-

L3 Cache

256 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

0 MPixel/s

128.0 GTexel/s

Texture Rate

2554 GTexel/s

-

FP16 (half)

653.7 TFLOPS

4.096 TFLOPS

FP32 (float)

81.72 TFLOPS

1024 GFLOPS

FP64 (double)

81.72 TFLOPS

Board Design

375W

TDP

750W

750 W

Suggested PSU

1150 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

Aqua Vanjaram

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

CDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

153 billion

365 mm²

Die Size

1017 mm²

Graphics Features

12 (11_1)

DirectX

N/A

4.6

OpenGL

N/A

1.2

OpenCL

3.0

1.2

Vulkan

N/A

-

5.1

Shader Model

N/A

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