AMD Radeon HD 8670M vs AMD Radeon R5 M445

VS

AMD Radeon HD 8670M

AMD Radeon R5 M445

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M 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 HD 8670M 's Advantages

Boost Clock975MHz

AMD Radeon R5 M445 's Advantages

Released 2 years and 10 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon R5 M445 +13%

0.706 TFLOPS

Radeon HD 8670M

VS

Radeon R5 M445

Graphics Card

Mar 2013

Release Date

Jan 2016

Solar System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

32.00GB/s

Render Config

5

Compute Units

6

-

320

Shading Units

384

20

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

7.360 GPixel/s

19.50 GTexel/s

Texture Rate

22.08 GTexel/s

-

624.0 GFLOPS

FP32 (float)

706.6 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Sun

GPU Name

Meso

Sun S3 XT (216-0841009)

GPU Variant

Meso XT (216-0864018)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.55 billion

56 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5

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