NVIDIA GeForce RTX 5080 Mobile vs ATI Mobility Radeon HD 5145

VS

NVIDIA GeForce RTX 5080 Mobile

ATI Mobility Radeon HD 5145

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 Mobile and 1024MB VRAM Mobility Radeon HD 5145 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 Mobile 's Advantages

Released 15 years late

Boost Clock2000MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (1.01TB/s vs 14.40GB/s)

8112 additional rendering cores

ATI Mobility Radeon HD 5145 's Advantages

Lower TDP (15W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +28395%

32.77 TFLOPS

Mobility Radeon HD 5145

0.115 TFLOPS

GeForce RTX 5080 Mobile

VS

Mobility Radeon HD 5145

Graphics Card

Jan 2025

Release Date

Jan 2010

GeForce 50 Mobile

Generation

M9x

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1500 MHz

Base Clock

-

2000 MHz

Boost Clock

-

2500 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR7

Memory Type

GDDR3

256bit

Memory Bus

64bit

1.01TB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

1

64

SM Count

-

8192

Shading Units

80

256

TMUs

8

96

ROPs

4

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

64 KB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

2.880 GPixel/s

512.0 GTexel/s

Texture Rate

5.760 GTexel/s

32.77 TFLOPS

FP16 (half)

-

32.77 TFLOPS

FP32 (float)

115.2 GFLOPS

512.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

15W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GB203

GPU Name

M92

-

Blackwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

4 nm

Process Size

55 nm

Unknown

Transistors

0.242 billion

377 mm²

Die Size

73 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

10.1

CUDA

-

6.8

Shader Model

4.1

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