AMD Radeon Instinct MI25 vs NVIDIA RTX A4 Mobile

VS

AMD Radeon Instinct MI25

NVIDIA RTX A4 Mobile

We compared two Professional market GPUs: 16GB VRAM Radeon Instinct MI25 and 4GB VRAM RTX A4 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI25 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (436.2GB/s vs 224.0GB/s)

2048 additional rendering cores

NVIDIA RTX A4 Mobile 's Advantages

Released 3 years and 10 months late

Boost Clock has increased by 18% (1770MHz vs 1500MHz)

Score

Benchmark

FP32 (float)

Radeon Instinct MI25 +69%

12.29 TFLOPS

RTX A4 Mobile

7.25 TFLOPS

Radeon Instinct MI25

VS

RTX A4 Mobile

Graphics Card

Jun 2017

Release Date

Apr 2021

Radeon Instinct

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1400 MHz

Base Clock

1297 MHz

1500 MHz

Boost Clock

1770 MHz

852 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

4GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

128bit

436.2GB/s

Bandwidth

224.0GB/s

Render Config

64

Compute Units

-

SM Count

16

4096

Shading Units

2048

256

TMUs

64

ROPs

32

-

Tensor Cores

64

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

2 MB

-

Theoretical Performance

96.00 GPixel/s

Pixel Rate

56.64 GPixel/s

384.0 GTexel/s

Texture Rate

113.3 GTexel/s

24.58 TFLOPS

FP16 (half)

7.250 TFLOPS

12.29 TFLOPS

FP32 (float)

7.250 TFLOPS

768.0 GFLOPS

FP64 (double)

113.3 GFLOPS

Board Design

300W

TDP

Unknown

700 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

2x 8-pin

Power Connectors

None

Graphics Processor

Vega 10

GPU Name

GA107

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

8.7 billion

495 mm²

Die Size

200 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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