AMD Radeon R5 M445 vs ATI Mobility Radeon HD 4870

VS

AMD Radeon R5 M445

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M445 and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M445 's Advantages

Released 7 years late

More VRAM (4GB vs 512GB)

ATI Mobility Radeon HD 4870 's Advantages

Larger VRAM bandwidth (56.83GB/s vs 32.00GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M445

0.706 TFLOPS

Mobility Radeon HD 4870 +24%

0.88 TFLOPS

Radeon R5 M445

VS

Mobility Radeon HD 4870

Graphics Card

Jan 2016

Release Date

Jan 2009

Gem System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

888 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

56.83GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

8.800 GPixel/s

22.08 GTexel/s

Texture Rate

22.00 GTexel/s

-

706.6 GFLOPS

FP32 (float)

880.0 GFLOPS

-

FP64 (double)

176.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

M98

Meso XT (216-0864018)

GPU Variant

M98 XT L2 (216-0732023)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.55 billion

Transistors

0.956 billion

125 mm²

Die Size

256 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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