ATI Mobility Radeon HD 4850 Mac Edition vs AMD Radeon R7 M445

VS

ATI Mobility Radeon HD 4850 Mac Edition AMD Radeon R7 M445

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4850 Mac Edition and 4GB VRAM Radeon R7 M445 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 Mac Edition 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 32.00GB/s)

480 additional rendering cores

AMD Radeon R7 M445 's Advantages

Released 6 years and 9 months late

Boost Clock920MHz

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 Mac Edition +36%

0.804 TFLOPS

Radeon R7 M445

0.588 TFLOPS

Mobility Radeon HD 4850 Mac Edition

VS

Radeon R7 M445

Graphics Card

Aug 2009

Release Date

May 2016

M9x

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

920 MHz

850 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

64bit

54.40GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

10

Compute Units

5

800

Shading Units

320

40

TMUs

20

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

8.048 GPixel/s

Pixel Rate

7.360 GPixel/s

20.12 GTexel/s

Texture Rate

18.40 GTexel/s

-

FP16 (half)

588.8 GFLOPS

804.8 GFLOPS

FP32 (float)

588.8 GFLOPS

161.0 GFLOPS

FP64 (double)

36.80 GFLOPS

Graphics Processor

M98

GPU Name

Meso

M98 L2 (216-0732019)

GPU Variant

Meso PRO (216-0864032)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

1.55 billion

256 mm²

Die Size

125 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

-

CUDA

-

4.1

Shader Model

6.5

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