NVIDIA RTX A4000 Max-Q vs AMD Radeon RX 7900M

VS

NVIDIA RTX A4000 Max-Q

AMD Radeon RX 7900M

We compared two Mobile platform GPUs: 8GB VRAM RTX A4000 Max Q and 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Max-Q 's Advantages

512 additional rendering cores

Lower TDP (80W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 2 years and 6 months late

Boost Clock has increased by 50% (2090MHz vs 1395MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 352.0GB/s)

Score

Benchmark

FP32 (float)

RTX A4000 Max Q

14.28 TFLOPS

Radeon RX 7900M +169%

38.52 TFLOPS

RTX A4000 Max Q

VS

Radeon RX 7900M

Graphics Card

Apr 2021

Release Date

Oct 2023

Quadro Ampere-M

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

780 MHz

Base Clock

1825 MHz

1395 MHz

Boost Clock

2090 MHz

1375 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

352.0GB/s

Bandwidth

576.0GB/s

Render Config

-

Compute Units

72

40

SM Count

-

5120

Shading Units

4608

160

TMUs

288

80

ROPs

192

160

Tensor Cores

-

40

RT Cores

72

128 KB (per SM)

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

111.6 GPixel/s

Pixel Rate

401.3 GPixel/s

223.2 GTexel/s

Texture Rate

601.9 GTexel/s

14.28 TFLOPS

FP16 (half)

77.05 TFLOPS

14.28 TFLOPS

FP32 (float)

38.52 TFLOPS

223.2 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

80W

TDP

180W

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Navi 31

-

GPU Variant

Navi 31

Ampere

Architecture

RDNA 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

17.4 billion

Transistors

57.7 billion

392 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.6

CUDA

-

6.7

Shader Model

6.7

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