AMD Radeon HD 8870M vs ATI Mobility Radeon X1900

VS

AMD Radeon HD 8870M

ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 256MB VRAM Mobility Radeon X1900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

Released 6 years and 3 months late

Boost Clock775MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 30.08GB/s)

640 additional rendering cores

Score

Radeon HD 8870M

VS

Mobility Radeon X1900

Graphics Card

Apr 2013

Release Date

Jan 2007

Solar System

Generation

M6x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-III

Clock Speeds

725 MHz

Base Clock

-

775 MHz

Boost Clock

-

1125 MHz

Memory Clock

470 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

30.08GB/s

Render Config

10

Compute Units

-

640

Shading Units

-

40

TMUs

12

16

ROPs

12

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

4.800 GPixel/s

31.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

992.0 GFLOPS

FP32 (float)

-

62.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Venus

GPU Name

M68

Venus XT (216-0846000)

GPU Variant

-

GCN 1.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.5 billion

Transistors

0.312 billion

123 mm²

Die Size

230 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

2.1 (1.2)

OpenCL

N/A

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

3.0

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