NVIDIA GeForce RTX 3080 Mobile 16 GB vs ATI Mobility Radeon HD 3850 X2

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

ATI Mobility Radeon HD 3850 X2

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 512MB VRAM Mobility Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

Released 12 years and 7 months late

Boost Clock1545MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (448.0GB/s vs 48.00GB/s)

5824 additional rendering cores

ATI Mobility Radeon HD 3850 X2 's Advantages

Lower TDP (70W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +5015%

18.98 TFLOPS

Mobility Radeon HD 3850 X2

0.371 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

Mobility Radeon HD 3850 X2

Graphics Card

Jan 2021

Release Date

Jun 2008

GeForce 30 Mobile

Generation

M8x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1110 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

750 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

4

48

SM Count

-

6144

Shading Units

320

192

TMUs

16

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

256 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

9.280 GPixel/s

296.6 GTexel/s

Texture Rate

9.280 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

371.2 GFLOPS

296.6 GFLOPS

FP64 (double)

74.24 GFLOPS

Board Design

115W

TDP

70W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

M88

GA104-775-A1

GPU Variant

-

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

17.4 billion

Transistors

0.666 billion

392 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

8.6

CUDA

-

6.8

Shader Model

4.1

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