NVIDIA GeForce RTX 5090 Mobile vs ATI Mobility Radeon HD 3450

VS

NVIDIA GeForce RTX 5090 Mobile

ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5090 Mobile and 256MB VRAM Mobility Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 17 years late

Boost Clock2000MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (1.01TB/s vs 6.400GB/s)

10712 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 5090 Mobile +107425%

43.01 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

GeForce RTX 5090 Mobile

VS

Mobility Radeon HD 3450

Graphics Card

Jan 2025

Release Date

Jan 2008

GeForce 50 Mobile

Generation

M8x

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

MXM-II

Clock Speeds

1500 MHz

Base Clock

-

2000 MHz

Boost Clock

-

2500 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

256MB

GDDR7

Memory Type

DDR2

256bit

Memory Bus

64bit

1.01TB/s

Bandwidth

6.400GB/s

Render Config

-

Compute Units

2

84

SM Count

-

10752

Shading Units

40

336

TMUs

4

128

ROPs

4

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

64 MB

L2 Cache

64 KB

-

Theoretical Performance

256.0 GPixel/s

Pixel Rate

2.000 GPixel/s

672.0 GTexel/s

Texture Rate

2.000 GTexel/s

43.01 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

40.00 GFLOPS

672.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

Unknown

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GB203

GPU Name

M82

-

GPU Variant

M82-SCE XT (216-0707011)

Blackwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

4 nm

Process Size

55 nm

Unknown

Transistors

0.181 billion

377 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

10.1

CUDA

-

6.8

Shader Model

4.1

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