NVIDIA RTX A5000 vs AMD Radeon Instinct MI8

VS

NVIDIA RTX A5000 AMD Radeon Instinct MI8

We compared two Professional market GPUs: 24GB VRAM RTX A5000 and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A5000 's Advantages

Released 4 years and 4 months late

Boost Clock1695MHz

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (768.0GB/s vs 512.0GB/s)

4096 additional rendering cores

AMD Radeon Instinct MI8 's Advantages

Lower TDP (175W vs 230W)

Score

Benchmark

FP32 (float)

RTX A5000 +238%

27.77 TFLOPS

Radeon Instinct MI8

8.192 TFLOPS

RTX A5000

VS

Radeon Instinct MI8

Graphics Card

Apr 2021

Release Date

Dec 2016

Quadro Ampere

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1170 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

24GB

Memory Size

4GB

GDDR6

Memory Type

HBM

384bit

Memory Bus

4096bit

768.0GB/s

Bandwidth

512.0GB/s

Render Config

64

SM Count

-

Compute Units

64

8192

Shading Units

4096

256

TMUs

256

96

ROPs

64

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

2 MB

Theoretical Performance

162.7 GPixel/s

Pixel Rate

64.00 GPixel/s

433.9 GTexel/s

Texture Rate

256.0 GTexel/s

27.77 TFLOPS

FP16 (half)

8.192 TFLOPS

27.77 TFLOPS

FP32 (float)

8.192 TFLOPS

433.9 GFLOPS

FP64 (double)

512.0 GFLOPS

Graphics Processor

GA102

GPU Name

Fiji

-

GPU Variant

Fiji XT CA (215-0862120)

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

8.9 billion

628 mm²

Die Size

596 mm²

Board Design

230W

TDP

175W

550 W

Suggested PSU

450 W

4x DisplayPort 1.4a

Outputs

No outputs

1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

8.6

CUDA

-

6.7

Shader Model

6.5

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