AMD Radeon HD 8670A vs AMD Radeon R5 M445

VS

AMD Radeon HD 8670A

AMD Radeon R5 M445

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 4GB VRAM Radeon R5 M445 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M445 's Advantages

Released 2 years and 11 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Radeon R5 M445 +53%

0.706 TFLOPS

Radeon HD 8670A

VS

Radeon R5 M445

Graphics Card

Feb 2013

Release Date

Jan 2016

All-In-One

Generation

Gem System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

32.00GB/s

Render Config

6

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

7.360 GPixel/s

14.40 GTexel/s

Texture Rate

22.08 GTexel/s

-

460.8 GFLOPS

FP32 (float)

706.6 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Mars

GPU Name

Meso

Mars XT

GPU Variant

Meso XT (216-0864018)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.55 billion

77 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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