NVIDIA GeForce RTX 3080 Ti Mobile vs ATI Mobility Radeon HD 3870 X2

VS

NVIDIA GeForce RTX 3080 Ti Mobile

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Released 13 years and 4 months late

Boost Clock1260MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 54.40GB/s)

7104 additional rendering cores

ATI Mobility Radeon HD 3870 X2 's Advantages

Lower TDP (110W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +4333%

18.71 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

GeForce RTX 3080 Ti Mobile

VS

Mobility Radeon HD 3870 X2

Graphics Card

Jan 2022

Release Date

Sep 2008

GeForce 30 Mobile

Generation

M8x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

810 MHz

Base Clock

-

1260 MHz

Boost Clock

-

2000 MHz

Memory Clock

850 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

58

SM Count

-

7424

Shading Units

320

232

TMUs

16

96

ROPs

16

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

256 KB

-

Theoretical Performance

121.0 GPixel/s

Pixel Rate

10.56 GPixel/s

292.3 GTexel/s

Texture Rate

10.56 GTexel/s

18.71 TFLOPS

FP16 (half)

-

18.71 TFLOPS

FP32 (float)

422.4 GFLOPS

292.3 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

115W

TDP

110W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA103S

GPU Name

M88

GN20-E8-A1

GPU Variant

-

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

Unknown

Transistors

0.666 billion

496 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

-

6.5

Shader Model

4.1

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