NVIDIA GeForce RTX 4090 Max-Q vs ATI Mobility Radeon X1900

VS

NVIDIA GeForce RTX 4090 Max-Q

ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 256MB VRAM Mobility Radeon X1900 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 16 years late

Boost Clock1455MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (448.0GB/s vs 30.08GB/s)

9728 additional rendering cores

Score

GeForce RTX 4090 Max Q

VS

Mobility Radeon X1900

Graphics Card

Jan 2023

Release Date

Jan 2007

GeForce 40 Mobile

Generation

M6x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-III

Clock Speeds

930 MHz

Base Clock

-

1455 MHz

Boost Clock

-

1750 MHz

Memory Clock

470 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

30.08GB/s

Render Config

-

76

SM Count

-

9728

Shading Units

-

304

TMUs

12

112

ROPs

12

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

-

64 MB

L2 Cache

-

Theoretical Performance

163.0 GPixel/s

Pixel Rate

4.800 GPixel/s

442.3 GTexel/s

Texture Rate

4.800 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

-

442.3 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

AD103

GPU Name

M68

GN21-X11

GPU Variant

-

Ada Lovelace

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

4 nm

Process Size

80 nm

45.9 billion

Transistors

0.312 billion

379 mm²

Die Size

230 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

3.0

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