NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA RTX A4000 Max-Q

VS

NVIDIA GeForce RTX 4090 Max-Q NVIDIA RTX A4000 Max-Q

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 8GB VRAM RTX A4000 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 4% (1455MHz vs 1395MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (448.0GB/s vs 352.0GB/s)

4608 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +98%

28.31 TFLOPS

RTX A4000 Max Q

14.28 TFLOPS

GeForce RTX 4090 Max Q

VS

RTX A4000 Max Q

Graphics Card

Jan 2023

Release Date

Apr 2021

GeForce 40 Mobile

Generation

Quadro Ampere-M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

930 MHz

Base Clock

780 MHz

1455 MHz

Boost Clock

1395 MHz

1750 MHz

Memory Clock

1375 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

352.0GB/s

Render Config

76

SM Count

40

-

Compute Units

-

9728

Shading Units

5120

304

TMUs

160

112

ROPs

80

304

Tensor Cores

160

76

RT Cores

40

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

4 MB

Theoretical Performance

163.0 GPixel/s

Pixel Rate

111.6 GPixel/s

442.3 GTexel/s

Texture Rate

223.2 GTexel/s

28.31 TFLOPS

FP16 (half)

14.28 TFLOPS

28.31 TFLOPS

FP32 (float)

14.28 TFLOPS

442.3 GFLOPS

FP64 (double)

223.2 GFLOPS

Graphics Processor

AD103

GPU Name

GA104

GN21-X11

GPU Variant

-

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

45.9 billion

Transistors

17.4 billion

379 mm²

Die Size

392 mm²

Board Design

80W

TDP

80W

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

8.6

6.7

Shader Model

6.7

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