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

VS

NVIDIA GeForce RTX 4090 Max-Q

ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 256MB VRAM Mobility Radeon HD 2600 XT Mac Edition 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 6 months late

Boost Clock1455MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (448.0GB/s vs 21.92GB/s)

9608 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +19559%

28.31 TFLOPS

Mobility Radeon HD 2600 XT Mac Edition

0.144 TFLOPS

GeForce RTX 4090 Max Q

VS

Mobility Radeon HD 2600 XT Mac Edition

Graphics Card

Jan 2023

Release Date

Jul 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

685 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

21.92GB/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

2.400 GPixel/s

442.3 GTexel/s

Texture Rate

4.800 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

144.0 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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