ATI Mobility Radeon HD 3850 X2 vs AMD Radeon RX 480 Mobile

VS

ATI Mobility Radeon HD 3850 X2

AMD Radeon RX 480 Mobile

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3850 X2 and 8GB VRAM Radeon RX 480 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3850 X2 's Advantages

Lower TDP (70W vs 100W)

AMD Radeon RX 480 Mobile 's Advantages

Released 8 years and 2 months late

Boost Clock1077MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 48.00GB/s)

1984 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3850 X2

0.371 TFLOPS

Radeon RX 480 Mobile +1237%

4.963 TFLOPS

Mobility Radeon HD 3850 X2

VS

Radeon RX 480 Mobile

Graphics Card

Jun 2008

Release Date

Aug 2016

M8x

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1077 MHz

750 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

8GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

48.00GB/s

Bandwidth

256.0GB/s

Render Config

4

Compute Units

36

-

320

Shading Units

2304

16

TMUs

144

16

ROPs

32

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

9.280 GPixel/s

Pixel Rate

34.46 GPixel/s

9.280 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

371.2 GFLOPS

FP32 (float)

4.963 TFLOPS

74.24 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

70W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M88

GPU Name

Ellesmere

-

GPU Variant

Ellesmere XT

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

5.7 billion

192 mm²

Die Size

232 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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