NVIDIA GeForce RTX 4090 Max-Q vs ATI Mobility Radeon HD 2600 XT

VS

NVIDIA GeForce RTX 4090 Max-Q

ATI Mobility Radeon HD 2600 XT

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 256MB VRAM Mobility Radeon HD 2600 XT 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 15 years and 8 months late

Boost Clock1455MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (448.0GB/s vs 24.00GB/s)

9608 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +17268%

28.31 TFLOPS

Mobility Radeon HD 2600 XT

0.163 TFLOPS

GeForce RTX 4090 Max Q

VS

Mobility Radeon HD 2600 XT

Graphics Card

Jan 2023

Release Date

May 2007

GeForce 40 Mobile

Generation

M7x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-II

Clock Speeds

930 MHz

Base Clock

-

1455 MHz

Boost Clock

-

1750 MHz

Memory Clock

750 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

24.00GB/s

Render Config

-

Compute Units

3

76

SM Count

-

9728

Shading Units

120

304

TMUs

8

112

ROPs

4

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

-

64 MB

L2 Cache

64 KB

-

Theoretical Performance

163.0 GPixel/s

Pixel Rate

2.720 GPixel/s

442.3 GTexel/s

Texture Rate

5.440 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

163.2 GFLOPS

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

M76

GN21-X11

GPU Variant

M76 XT-M (216XJBKA13FG)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

4 nm

Process Size

65 nm

45.9 billion

Transistors

0.39 billion

379 mm²

Die Size

153 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

4.0

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