AMD Radeon R7 M445 vs ATI Mobility Radeon HD 4670 Mac Edition

VS

AMD Radeon R7 M445

ATI Mobility Radeon HD 4670 Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M445 and 256MB VRAM Mobility Radeon HD 4670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M445 's Advantages

Released 6 years and 8 months late

Boost Clock920MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (32.00GB/s vs 25.28GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M445 +35%

0.588 TFLOPS

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

Radeon R7 M445

VS

Mobility Radeon HD 4670 Mac Edition

Graphics Card

May 2016

Release Date

Sep 2009

Gem System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

780 MHz

Base Clock

-

920 MHz

Boost Clock

-

1000 MHz

Memory Clock

790 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

25.28GB/s

Render Config

5

Compute Units

4

-

320

Shading Units

320

20

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

5.440 GPixel/s

18.40 GTexel/s

Texture Rate

21.76 GTexel/s

588.8 GFLOPS

FP16 (half)

-

588.8 GFLOPS

FP32 (float)

435.2 GFLOPS

36.80 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

M96

Meso PRO (216-0864032)

GPU Variant

M96 XT (216-0729051)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.55 billion

Transistors

0.514 billion

125 mm²

Die Size

146 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5

Shader Model

4.1

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