NVIDIA RTX A4000 Max-Q vs AMD Radeon R5 A255

VS

NVIDIA RTX A4000 Max-Q AMD Radeon R5 A255

We compared two Mobile platform GPUs: 8GB VRAM RTX A4000 Max Q and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Max-Q 's Advantages

Released 7 years and 3 months late

Boost Clock has increased by 48% (1395MHz vs 940MHz)

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (352.0GB/s vs 64.00GB/s)

4736 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4000 Max Q +1880%

14.28 TFLOPS

Radeon R5 A255

0.721 TFLOPS

RTX A4000 Max Q

VS

Radeon R5 A255

Graphics Card

Apr 2021

Release Date

Jan 2014

Quadro Ampere-M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

780 MHz

Base Clock

925 MHz

1395 MHz

Boost Clock

940 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

352.0GB/s

Bandwidth

64.00GB/s

Render Config

40

SM Count

-

Compute Units

6

5120

Shading Units

384

160

TMUs

24

80

ROPs

8

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

111.6 GPixel/s

Pixel Rate

7.520 GPixel/s

223.2 GTexel/s

Texture Rate

22.56 GTexel/s

14.28 TFLOPS

FP16 (half)

-

14.28 TFLOPS

FP32 (float)

721.9 GFLOPS

223.2 GFLOPS

FP64 (double)

-

Graphics Processor

GA104

GPU Name

Topaz

-

GPU Variant

Topaz PRO (216-0858030)

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.55 billion

392 mm²

Die Size

125 mm²

Board Design

80W

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

8.6

CUDA

-

6.7

Shader Model

6.5

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