AMD Radeon R9 M395X vs NVIDIA RTX A4000 Max-Q

VS

AMD Radeon R9 M395X

NVIDIA RTX A4000 Max-Q

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M395X and 8GB VRAM RTX A4000 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X 's Advantages

Lower TDP (75W vs 80W)

NVIDIA RTX A4000 Max-Q 's Advantages

Released 5 years and 11 months late

Boost Clock1395MHz

Larger VRAM bandwidth (352.0GB/s vs 160.0GB/s)

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M395X

2.961 TFLOPS

RTX A4000 Max Q +382%

14.28 TFLOPS

Radeon R9 M395X

VS

RTX A4000 Max Q

Graphics Card

May 2015

Release Date

Apr 2021

Crystal System

Generation

Quadro Ampere-M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

1395 MHz

1250 MHz

Memory Clock

1375 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

352.0GB/s

Render Config

32

Compute Units

-

SM Count

40

2048

Shading Units

5120

128

TMUs

160

32

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

111.6 GPixel/s

92.54 GTexel/s

Texture Rate

223.2 GTexel/s

2.961 TFLOPS

FP16 (half)

14.28 TFLOPS

2.961 TFLOPS

FP32 (float)

14.28 TFLOPS

185.1 GFLOPS

FP64 (double)

223.2 GFLOPS

Board Design

75W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GA104

Amethyst XT

GPU Variant

-

GCN 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

5 billion

Transistors

17.4 billion

366 mm²

Die Size

392 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

6.3

Shader Model

6.7

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