NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon HD 8670M

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

AMD Radeon HD 8670M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 1024MB VRAM Radeon HD 8670M 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 7 years and 10 months late

Boost Clock has increased by 58% (1545MHz vs 975MHz)

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 14.40GB/s)

5824 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +2941%

18.98 TFLOPS

Radeon HD 8670M

0.624 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

Radeon HD 8670M

Graphics Card

Jan 2021

Release Date

Mar 2013

GeForce 30 Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1110 MHz

Base Clock

925 MHz

1545 MHz

Boost Clock

975 MHz

1750 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

5

48

SM Count

-

6144

Shading Units

320

192

TMUs

20

96

ROPs

8

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

128 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

7.800 GPixel/s

296.6 GTexel/s

Texture Rate

19.50 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

624.0 GFLOPS

296.6 GFLOPS

FP64 (double)

39.00 GFLOPS

Board Design

115W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Sun

GA104-775-A1

GPU Variant

Sun S3 XT (216-0841009)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

0.69 billion

392 mm²

Die Size

56 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

8.6

CUDA

-

6.8

Shader Model

6.5 (5.1)

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