AMD Radeon Instinct MI25 vs NVIDIA RTX A6000

VS

AMD Radeon Instinct MI25

NVIDIA RTX A6000

We compared two Professional market GPUs: 16GB VRAM Radeon Instinct MI25 and 48GB VRAM RTX A6000 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 4 months late

Boost Clock has increased by 20% (1800MHz vs 1500MHz)

More VRAM (48GB vs 16GB)

Larger VRAM bandwidth (768.0GB/s vs 436.2GB/s)

6656 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Instinct MI25

12.29 TFLOPS

RTX A6000 +214%

38.71 TFLOPS

Radeon Instinct MI25

VS

RTX A6000

Graphics Card

Jun 2017

Release Date

Oct 2020

Radeon Instinct

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1400 MHz

Base Clock

1410 MHz

1500 MHz

Boost Clock

1800 MHz

852 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

48GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

384bit

436.2GB/s

Bandwidth

768.0GB/s

Render Config

64

Compute Units

-

SM Count

84

4096

Shading Units

10752

256

TMUs

336

64

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

6 MB

-

Theoretical Performance

96.00 GPixel/s

Pixel Rate

201.6 GPixel/s

384.0 GTexel/s

Texture Rate

604.8 GTexel/s

24.58 TFLOPS

FP16 (half)

38.71 TFLOPS

12.29 TFLOPS

FP32 (float)

38.71 TFLOPS

768.0 GFLOPS

FP64 (double)

604.8 GFLOPS

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

No outputs

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

8-pin EPS

Graphics Processor

Vega 10

GPU Name

GA102

Vega 10 XT GL (215-0894124)

GPU Variant

-

GCN 5.0

Architecture

Ampere

GlobalFoundries

Foundry

Samsung

14 nm

Process Size

8 nm

12.5 billion

Transistors

28.3 billion

495 mm²

Die Size

628 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

6.4

Shader Model

6.7

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