NVIDIA RTX A6000 vs AMD Radeon Instinct MI8

VS

NVIDIA RTX A6000 AMD Radeon Instinct MI8

We compared two Professional market GPUs: 48GB VRAM RTX A6000 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 A6000 's Advantages

Released 3 years and 10 months late

Boost Clock1800MHz

More VRAM (48GB vs 4GB)

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

6656 additional rendering cores

AMD Radeon Instinct MI8 's Advantages

Lower TDP (175W vs 300W)

Score

Benchmark

FP32 (float)

RTX A6000 +372%

38.71 TFLOPS

Radeon Instinct MI8

8.192 TFLOPS

RTX A6000

VS

Radeon Instinct MI8

Graphics Card

Oct 2020

Release Date

Dec 2016

Quadro Ampere

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1410 MHz

Base Clock

-

1800 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

48GB

Memory Size

4GB

GDDR6

Memory Type

HBM

384bit

Memory Bus

4096bit

768.0GB/s

Bandwidth

512.0GB/s

Render Config

84

SM Count

-

Compute Units

64

10752

Shading Units

4096

336

TMUs

256

112

ROPs

64

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

2 MB

Theoretical Performance

201.6 GPixel/s

Pixel Rate

64.00 GPixel/s

604.8 GTexel/s

Texture Rate

256.0 GTexel/s

38.71 TFLOPS

FP16 (half)

8.192 TFLOPS

38.71 TFLOPS

FP32 (float)

8.192 TFLOPS

604.8 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

300W

TDP

175W

700 W

Suggested PSU

450 W

4x DisplayPort 1.4a

Outputs

No outputs

8-pin EPS

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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