NVIDIA RTX A4500 vs AMD Radeon Instinct MI250X

VS

NVIDIA RTX A4500

AMD Radeon Instinct MI250X

We compared two Professional market GPUs: 20GB VRAM RTX A4500 and 128GB VRAM Radeon Instinct MI250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4500 's Advantages

Lower TDP (200W vs 500W)

AMD Radeon Instinct MI250X 's Advantages

Boost Clock has increased by 3% (1700MHz vs 1650MHz)

More VRAM (128GB vs 20GB)

Larger VRAM bandwidth (3277GB/s vs 640.0GB/s)

6912 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4500

23.65 TFLOPS

Radeon Instinct MI250X +102%

47.87 TFLOPS

RTX A4500

VS

Radeon Instinct MI250X

Graphics Card

Nov 2021

Release Date

Nov 2021

Quadro Ampere

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1050 MHz

Base Clock

1000 MHz

1650 MHz

Boost Clock

1700 MHz

2000 MHz

Memory Clock

1600 MHz

Memory

20GB

Memory Size

128GB

GDDR6

Memory Type

HBM2e

320bit

Memory Bus

8192bit

640.0GB/s

Bandwidth

3277GB/s

Render Config

-

Compute Units

220

56

SM Count

-

7168

Shading Units

14080

224

TMUs

880

96

ROPs

0

224

Tensor Cores

-

56

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

16 MB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

0 MPixel/s

369.6 GTexel/s

Texture Rate

1496 GTexel/s

23.65 TFLOPS

FP16 (half)

383.0 TFLOPS

23.65 TFLOPS

FP32 (float)

47.87 TFLOPS

369.6 GFLOPS

FP64 (double)

47.87 TFLOPS

Board Design

200W

TDP

500W

550 W

Suggested PSU

900 W

4x DisplayPort 1.4a

Outputs

No outputs

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GA102

GPU Name

Aldebaran

-

GPU Variant

Aldebaran XT

Ampere

Architecture

CDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

6 nm

28.3 billion

Transistors

58.2 billion

628 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.6

CUDA

-

6.7

Shader Model

N/A

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