AMD Radeon Instinct MI250 vs NVIDIA RTX A4000 Mobile

VS

AMD Radeon Instinct MI250

NVIDIA RTX A4000 Mobile

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI250 and 8GB VRAM RTX A4000 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

Boost Clock has increased by 1% (1700MHz vs 1680MHz)

More VRAM (128GB vs 8GB)

Larger VRAM bandwidth (3277GB/s vs 384.0GB/s)

8192 additional rendering cores

NVIDIA RTX A4000 Mobile 's Advantages

Lower TDP (115W vs 500W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI250 +163%

45.26 TFLOPS

RTX A4000 Mobile

17.2 TFLOPS

Radeon Instinct MI250

VS

RTX A4000 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 x16

Clock Speeds

1000 MHz

Base Clock

1140 MHz

1700 MHz

Boost Clock

1680 MHz

1600 MHz

Memory Clock

1500 MHz

Memory

128GB

Memory Size

8GB

HBM2e

Memory Type

GDDR6

8192bit

Memory Bus

256bit

3277GB/s

Bandwidth

384.0GB/s

Render Config

208

Compute Units

-

SM Count

40

13312

Shading Units

5120

832

TMUs

160

0

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

4 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

134.4 GPixel/s

1414 GTexel/s

Texture Rate

268.8 GTexel/s

362.1 TFLOPS

FP16 (half)

17.20 TFLOPS

45.26 TFLOPS

FP32 (float)

17.20 TFLOPS

45.26 TFLOPS

FP64 (double)

268.8 GFLOPS

Board Design

500W

TDP

115W

900 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

2x 8-pin

Power Connectors

None

Graphics Processor

Aldebaran

GPU Name

GA104

Aldebaran

GPU Variant

-

CDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

6 nm

Process Size

8 nm

58.2 billion

Transistors

17.4 billion

Unknown

Die Size

392 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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