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

VS

AMD Radeon HD 8670A

NVIDIA GeForce RTX 3080 Mobile 16 GB

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 16GB VRAM GeForce RTX 3080 Mobile 16 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 115W)

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

Released 7 years and 11 months late

Boost Clock1545MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 16.00GB/s)

5760 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

GeForce RTX 3080 Mobile 16 GB +4017%

18.98 TFLOPS

Radeon HD 8670A

VS

GeForce RTX 3080 Mobile 16 GB

Graphics Card

Feb 2013

Release Date

Jan 2021

All-In-One

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1110 MHz

-

Boost Clock

1545 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

16GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

448.0GB/s

Render Config

6

Compute Units

-

SM Count

48

384

Shading Units

6144

24

TMUs

192

8

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB (per SM)

128 KB

L2 Cache

4 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

148.3 GPixel/s

14.40 GTexel/s

Texture Rate

296.6 GTexel/s

-

FP16 (half)

18.98 TFLOPS

460.8 GFLOPS

FP32 (float)

18.98 TFLOPS

28.80 GFLOPS

FP64 (double)

296.6 GFLOPS

Board Design

45W

TDP

115W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

GA104

Mars XT

GPU Variant

GA104-775-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

0.95 billion

Transistors

17.4 billion

77 mm²

Die Size

392 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.8

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