AMD Radeon R5 A320 vs ATI Mobility Radeon HD 4850 Mac Edition

VS

AMD Radeon R5 A320

ATI Mobility Radeon HD 4850 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A320 and 512MB VRAM Mobility Radeon HD 4850 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A320 's Advantages

Released 5 years and 5 months late

Boost Clock825MHz

More VRAM (1024GB vs 512GB)

ATI Mobility Radeon HD 4850 Mac Edition 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 16.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A320

0.528 TFLOPS

Mobility Radeon HD 4850 Mac Edition +52%

0.804 TFLOPS

Radeon R5 A320

VS

Mobility Radeon HD 4850 Mac Edition

Graphics Card

Jan 2015

Release Date

Aug 2009

All-In-One

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

750 MHz

Base Clock

-

825 MHz

Boost Clock

-

1000 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

54.40GB/s

Render Config

5

Compute Units

10

-

320

Shading Units

800

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

8.048 GPixel/s

16.50 GTexel/s

Texture Rate

20.12 GTexel/s

-

528.0 GFLOPS

FP32 (float)

804.8 GFLOPS

-

FP64 (double)

161.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

M98

Jet PRO (216-0856040)

GPU Variant

M98 L2 (216-0732019)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.69 billion

Transistors

0.956 billion

56 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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