AMD Radeon HD 7870 XT vs AMD Radeon Instinct MI325X

VS

AMD Radeon HD 7870 XT

AMD Radeon Instinct MI325X

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT 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 7870 XT 's Advantages

Lower TDP (185W vs 750W)

AMD Radeon Instinct MI325X 's Advantages

Released 11 years and 11 months late

Boost Clock has increased by 115% (2100MHz vs 975MHz)

More VRAM (288GB vs 2GB)

Larger VRAM bandwidth (10.3TB/s vs 192.0GB/s)

17920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

Radeon Instinct MI325X +2628%

81.72 TFLOPS

Radeon HD 7870 XT

VS

Radeon Instinct MI325X

Graphics Card

Nov 2012

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

925 MHz

Base Clock

1000 MHz

975 MHz

Boost Clock

2100 MHz

1500 MHz

Memory Clock

2525 MHz

Memory

2GB

Memory Size

288GB

GDDR5

Memory Type

HBM3e

256bit

Memory Bus

8192bit

192.0GB/s

Bandwidth

10.3TB/s

Render Config

24

Compute Units

304

-

1536

Shading Units

19456

96

TMUs

1216

32

ROPs

0

-

Tensor Cores

1216

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

16 MB

-

L3 Cache

256 MB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

0 MPixel/s

93.60 GTexel/s

Texture Rate

2554 GTexel/s

-

FP16 (half)

653.7 TFLOPS

2.995 TFLOPS

FP32 (float)

81.72 TFLOPS

748.8 GFLOPS

FP64 (double)

81.72 TFLOPS

Board Design

185W

TDP

750W

450 W

Suggested PSU

1150 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

No outputs

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Aqua Vanjaram

Tahiti LE (215-0821122)

GPU Variant

-

GCN 1.0

Architecture

CDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

153 billion

352 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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