NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon E8870

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

AMD Radeon E8870

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 4GB VRAM Radeon E8870 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 5 years and 4 months late

Boost Clock1545MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 96.00GB/s)

5376 additional rendering cores

AMD Radeon E8870 's Advantages

Lower TDP (75W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +1135%

18.98 TFLOPS

Radeon E8870

1.536 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

Radeon E8870

Graphics Card

Jan 2021

Release Date

Sep 2015

GeForce 30 Mobile

Generation

Embedded

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1110 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

12

48

SM Count

-

6144

Shading Units

768

192

TMUs

48

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

16.00 GPixel/s

296.6 GTexel/s

Texture Rate

48.00 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

1.536 TFLOPS

296.6 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

115W

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Saturn

GA104-775-A1

GPU Variant

Saturn PRO

Ampere

Architecture

GCN 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

2.08 billion

392 mm²

Die Size

160 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.6

CUDA

-

6.8

Shader Model

6.3

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