NVIDIA GeForce RTX 5080 Mobile vs ATI Mobility Radeon HD 3850

VS

NVIDIA GeForce RTX 5080 Mobile

ATI Mobility Radeon HD 3850

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 Mobile and 512MB VRAM Mobility Radeon HD 3850 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 16 years and 7 months late

Boost Clock2000MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (1.01TB/s vs 48.00GB/s)

7872 additional rendering cores

ATI Mobility Radeon HD 3850 's Advantages

Lower TDP (35W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +8732%

32.77 TFLOPS

Mobility Radeon HD 3850

0.371 TFLOPS

GeForce RTX 5080 Mobile

VS

Mobility Radeon HD 3850

Graphics Card

Jan 2025

Release Date

Jun 2008

GeForce 50 Mobile

Generation

M8x

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

750 MHz

Memory

16GB

Memory Size

512MB

GDDR7

Memory Type

GDDR3

256bit

Memory Bus

256bit

1.01TB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

4

64

SM Count

-

8192

Shading Units

320

256

TMUs

16

96

ROPs

16

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

-

64 MB

L2 Cache

256 KB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

9.280 GPixel/s

512.0 GTexel/s

Texture Rate

9.280 GTexel/s

32.77 TFLOPS

FP16 (half)

-

32.77 TFLOPS

FP32 (float)

371.2 GFLOPS

512.0 GFLOPS

FP64 (double)

74.24 GFLOPS

Board Design

175W

TDP

35W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GB203

GPU Name

M88

-

Blackwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

4 nm

Process Size

55 nm

Unknown

Transistors

0.666 billion

377 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (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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