AMD Radeon Instinct MI250X vs NVIDIA RTX A4500 Mobile

VS

AMD Radeon Instinct MI250X

NVIDIA RTX A4500 Mobile

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI250X and 16GB VRAM RTX A4500 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI250X 's Advantages

Boost Clock has increased by 13% (1700MHz vs 1500MHz)

More VRAM (128GB vs 16GB)

Larger VRAM bandwidth (3277GB/s vs 512.0GB/s)

8192 additional rendering cores

NVIDIA RTX A4500 Mobile 's Advantages

Lower TDP (140W vs 500W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI250X +171%

47.87 TFLOPS

RTX A4500 Mobile

17.66 TFLOPS

Radeon Instinct MI250X

VS

RTX A4500 Mobile

Graphics Card

Nov 2021

Release Date

Mar 2022

Radeon Instinct

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

930 MHz

1700 MHz

Boost Clock

1500 MHz

1600 MHz

Memory Clock

2000 MHz

Memory

128GB

Memory Size

16GB

HBM2e

Memory Type

GDDR6

8192bit

Memory Bus

256bit

3277GB/s

Bandwidth

512.0GB/s

Render Config

220

Compute Units

-

SM Count

46

14080

Shading Units

5888

880

TMUs

184

0

ROPs

96

-

Tensor Cores

184

-

RT Cores

46

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

4 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

144.0 GPixel/s

1496 GTexel/s

Texture Rate

276.0 GTexel/s

383.0 TFLOPS

FP16 (half)

17.66 TFLOPS

47.87 TFLOPS

FP32 (float)

17.66 TFLOPS

47.87 TFLOPS

FP64 (double)

276.0 GFLOPS

Board Design

500W

TDP

140W

900 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

2x 8-pin

Power Connectors

None

Graphics Processor

Aldebaran

GPU Name

GA104

Aldebaran XT

GPU Variant

-

CDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

6 nm

Process Size

8 nm

58.2 billion

Transistors

17.4 billion

Unknown

Die Size

392 mm²

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

N/A

Shader Model

6.7

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