AMD Radeon Instinct MI8 vs NVIDIA RTX A4500

VS

AMD Radeon Instinct MI8 NVIDIA RTX A4500

We compared two Professional market GPUs: 4GB VRAM Radeon Instinct MI8 and 20GB VRAM RTX A4500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI8 's Advantages

Lower TDP (175W vs 200W)

NVIDIA RTX A4500 's Advantages

Released 4 years and 11 months late

Boost Clock1650MHz

More VRAM (20GB vs 4GB)

Larger VRAM bandwidth (640.0GB/s vs 512.0GB/s)

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Instinct MI8

8.192 TFLOPS

RTX A4500 +188%

23.65 TFLOPS

Radeon Instinct MI8

VS

RTX A4500

Graphics Card

Dec 2016

Release Date

Nov 2021

Radeon Instinct

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1050 MHz

-

Boost Clock

1650 MHz

500 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

20GB

HBM

Memory Type

GDDR6

4096bit

Memory Bus

320bit

512.0GB/s

Bandwidth

640.0GB/s

Render Config

-

SM Count

56

64

Compute Units

-

4096

Shading Units

7168

256

TMUs

224

64

ROPs

96

-

Tensor Cores

224

-

RT Cores

56

16 KB (per CU)

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

6 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

158.4 GPixel/s

256.0 GTexel/s

Texture Rate

369.6 GTexel/s

8.192 TFLOPS

FP16 (half)

23.65 TFLOPS

8.192 TFLOPS

FP32 (float)

23.65 TFLOPS

512.0 GFLOPS

FP64 (double)

369.6 GFLOPS

Graphics Processor

Fiji

GPU Name

GA102

Fiji XT CA (215-0862120)

GPU Variant

-

GCN 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

8.9 billion

Transistors

28.3 billion

596 mm²

Die Size

628 mm²

Board Design

175W

TDP

200W

450 W

Suggested PSU

550 W

No outputs

Outputs

4x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

8.6

6.5

Shader Model

6.7

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