ATI Mobility Radeon HD 3870 X2 vs AMD Radeon HD 8730M

VS

ATI Mobility Radeon HD 3870 X2 AMD Radeon HD 8730M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 X2 and 2GB VRAM Radeon HD 8730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 X2 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 28.80GB/s)

AMD Radeon HD 8730M 's Advantages

Released 4 years and 7 months late

Boost Clock700MHz

64 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Radeon HD 8730M +27%

0.537 TFLOPS

Mobility Radeon HD 3870 X2

VS

Radeon HD 8730M

Graphics Card

Sep 2008

Release Date

Apr 2013

M8x

Generation

Solar System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

650 MHz

-

Boost Clock

700 MHz

850 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

4

Compute Units

6

320

Shading Units

384

16

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

10.56 GPixel/s

Pixel Rate

5.600 GPixel/s

10.56 GTexel/s

Texture Rate

16.80 GTexel/s

-

FP16 (half)

-

422.4 GFLOPS

FP32 (float)

537.6 GFLOPS

84.48 GFLOPS

FP64 (double)

33.60 GFLOPS

Graphics Processor

M88

GPU Name

Mars

-

GPU Variant

Mars S3 PRO (216-0842027)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

0.95 billion

192 mm²

Die Size

77 mm²

Board Design

110W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

CUDA

-

4.1

Shader Model

6.5 (5.1)

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