AMD Radeon R9 M385X vs ATI Mobility Radeon HD 4850 Mac Edition

VS

AMD Radeon R9 M385X ATI Mobility Radeon HD 4850 Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X 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 R9 M385X 's Advantages

Released 5 years and 9 months late

Boost Clock1100MHz

Larger VRAM bandwidth (76.80GB/s vs 54.40GB/s)

96 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X +145%

1.971 TFLOPS

Mobility Radeon HD 4850 Mac Edition

0.804 TFLOPS

Radeon R9 M385X

VS

Mobility Radeon HD 4850 Mac Edition

Graphics Card

May 2015

Release Date

Aug 2009

Gem System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

54.40GB/s

Render Config

-

SM Count

-

14

Compute Units

10

896

Shading Units

800

56

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

8.048 GPixel/s

61.60 GTexel/s

Texture Rate

20.12 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

804.8 GFLOPS

123.2 GFLOPS

FP64 (double)

161.0 GFLOPS

Graphics Processor

Strato

GPU Name

M98

Strato XT

GPU Variant

M98 L2 (216-0732019)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.956 billion

160 mm²

Die Size

256 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

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

-

CUDA

-

6.5

Shader Model

4.1

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