NVIDIA GeForce RTX 3080 Mobile 16 GB vs ATI Mobility Radeon HD 3870

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 512MB VRAM Mobility Radeon HD 3870 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 54.40GB/s)

5824 additional rendering cores

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +4397%

18.98 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

Mobility Radeon HD 3870

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

850 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

54.40GB/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

10.56 GPixel/s

296.6 GTexel/s

Texture Rate

10.56 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

422.4 GFLOPS

296.6 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

115W

TDP

55W

-

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

Related GPU Comparisons

1

NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon RX 6450M

2

NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA GeForce RTX 3050 Mobile Refresh

3

NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD FirePro M3100

4

NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA NVS 4200M

5

NVIDIA GeForce RTX 3080 Mobile 16 GB vs ATI Mobility Radeon HD 5850 Mac Edition

6

NVIDIA GeForce RTX 3080 Mobile 16 GB vs ATI Mobility Radeon HD 2400 XT

7

NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon R7 M365X

8

NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon R9 M395 Mac Edition

9

NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA GeForce GTX 765M

10

NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA GeForce 8800M GTX

Related News

1

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

2

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

3

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

4

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

5

CXMT Reportedly Achieves 80% Yield in DDR5 Production

6

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

7

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

8

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

9

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

10

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers