AMD Radeon Instinct MI250 vs NVIDIA RTX A4 Mobile

VS

AMD Radeon Instinct MI250

NVIDIA RTX A4 Mobile

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI250 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 MI250 's Advantages

Released 7 months late

More VRAM (128GB vs 4GB)

Larger VRAM bandwidth (3277GB/s vs 224.0GB/s)

11264 additional rendering cores

NVIDIA RTX A4 Mobile 's Advantages

Boost Clock has increased by 4% (1770MHz vs 1700MHz)

Score

Benchmark

FP32 (float)

Radeon Instinct MI250 +524%

45.26 TFLOPS

RTX A4 Mobile

7.25 TFLOPS

Radeon Instinct MI250

VS

RTX A4 Mobile

Graphics Card

Nov 2021

Release Date

Apr 2021

Radeon Instinct

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1000 MHz

Base Clock

1297 MHz

1700 MHz

Boost Clock

1770 MHz

1600 MHz

Memory Clock

1750 MHz

Memory

128GB

Memory Size

4GB

HBM2e

Memory Type

GDDR6

8192bit

Memory Bus

128bit

3277GB/s

Bandwidth

224.0GB/s

Render Config

208

Compute Units

-

SM Count

16

13312

Shading Units

2048

832

TMUs

64

0

ROPs

32

-

Tensor Cores

64

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

2 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

56.64 GPixel/s

1414 GTexel/s

Texture Rate

113.3 GTexel/s

362.1 TFLOPS

FP16 (half)

7.250 TFLOPS

45.26 TFLOPS

FP32 (float)

7.250 TFLOPS

45.26 TFLOPS

FP64 (double)

113.3 GFLOPS

Board Design

500W

TDP

Unknown

900 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

2x 8-pin

Power Connectors

None

Graphics Processor

Aldebaran

GPU Name

GA107

Aldebaran

GPU Variant

-

CDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

6 nm

Process Size

8 nm

58.2 billion

Transistors

8.7 billion

Unknown

Die Size

200 mm²

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

N/A

Shader Model

6.7

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