NVIDIA RTX A4000 Mobile vs AMD Radeon Instinct MI250X

VS

NVIDIA RTX A4000 Mobile

AMD Radeon Instinct MI250X

We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 128GB VRAM Radeon Instinct MI250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Mobile 's Advantages

Lower TDP (115W vs 500W)

AMD Radeon Instinct MI250X '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)

8960 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4000 Mobile

17.2 TFLOPS

Radeon Instinct MI250X +178%

47.87 TFLOPS

RTX A4000 Mobile

VS

Radeon Instinct MI250X

Graphics Card

Apr 2021

Release Date

Nov 2021

Quadro Ampere-M

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1140 MHz

Base Clock

1000 MHz

1680 MHz

Boost Clock

1700 MHz

1500 MHz

Memory Clock

1600 MHz

Memory

8GB

Memory Size

128GB

GDDR6

Memory Type

HBM2e

256bit

Memory Bus

8192bit

384.0GB/s

Bandwidth

3277GB/s

Render Config

-

Compute Units

220

40

SM Count

-

5120

Shading Units

14080

160

TMUs

880

80

ROPs

0

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

16 MB

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

0 MPixel/s

268.8 GTexel/s

Texture Rate

1496 GTexel/s

17.20 TFLOPS

FP16 (half)

383.0 TFLOPS

17.20 TFLOPS

FP32 (float)

47.87 TFLOPS

268.8 GFLOPS

FP64 (double)

47.87 TFLOPS

Board Design

115W

TDP

500W

-

Suggested PSU

900 W

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

2x 8-pin

Graphics Processor

GA104

GPU Name

Aldebaran

-

GPU Variant

Aldebaran XT

Ampere

Architecture

CDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

6 nm

17.4 billion

Transistors

58.2 billion

392 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.6

CUDA

-

6.7

Shader Model

N/A

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