ATI Mobility Radeon HD 4850 X2 vs AMD Radeon R9 M385X

VS

ATI Mobility Radeon HD 4850 X2

AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 76.80GB/s)

AMD Radeon R9 M385X 's Advantages

Released 6 years and 4 months late

Boost Clock1100MHz

More VRAM (4GB vs 1024GB)

96 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon R9 M385X +146%

1.971 TFLOPS

Mobility Radeon HD 4850 X2

VS

Radeon R9 M385X

Graphics Card

Jan 2009

Release Date

May 2015

M9x

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1100 MHz

700 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

89.60GB/s

Bandwidth

76.80GB/s

Render Config

10

Compute Units

14

-

800

Shading Units

896

40

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

17.60 GPixel/s

20.00 GTexel/s

Texture Rate

61.60 GTexel/s

-

800.0 GFLOPS

FP32 (float)

1.971 TFLOPS

160.0 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

M98

GPU Name

Strato

M98 L2 (216-0732019)

GPU Variant

Strato XT

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

2.08 billion

256 mm²

Die Size

160 mm²

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

-

4.1

Shader Model

6.5

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