AMD Radeon Instinct MI8 vs NVIDIA RTX A3000 Mobile

VS

AMD Radeon Instinct MI8 NVIDIA RTX A3000 Mobile

We compared two Professional market GPUs: 4GB VRAM Radeon Instinct MI8 and 6GB VRAM RTX A3000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI8 's Advantages

Larger VRAM bandwidth (512.0GB/s vs 264.0GB/s)

NVIDIA RTX A3000 Mobile 's Advantages

Boost Clock1560MHz

More VRAM (6GB vs 4GB)

Lower TDP (130W vs 175W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI8

8.192 TFLOPS

RTX A3000 Mobile +56%

12.78 TFLOPS

Radeon Instinct MI8

VS

RTX A3000 Mobile

Graphics Card

Dec 2016

Release Date

Unknown

Radeon Instinct

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1260 MHz

-

Boost Clock

1560 MHz

500 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

6GB

HBM

Memory Type

GDDR6

4096bit

Memory Bus

192bit

512.0GB/s

Bandwidth

264.0GB/s

Render Config

-

SM Count

32

64

Compute Units

-

4096

Shading Units

4096

256

TMUs

128

64

ROPs

64

-

Tensor Cores

128

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

4 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

99.84 GPixel/s

256.0 GTexel/s

Texture Rate

199.7 GTexel/s

8.192 TFLOPS

FP16 (half)

12.78 TFLOPS

8.192 TFLOPS

FP32 (float)

12.78 TFLOPS

512.0 GFLOPS

FP64 (double)

199.7 GFLOPS

Graphics Processor

Fiji

GPU Name

GA104

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

17.4 billion

596 mm²

Die Size

392 mm²

Board Design

175W

TDP

130W

450 W

Suggested PSU

-

No outputs

Outputs

No outputs

1x 8-pin

Power Connectors

None

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

6.6

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