ATI Mobility Radeon HD 4870 X2 vs ATI Mobility Radeon HD 3470 Hybrid X2

Comparative analysis of ATI Mobility Radeon HD 4870 X2 and ATI Mobility Radeon HD 3470 Hybrid X2 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark.

 

Differences

Reasons to consider the ATI Mobility Radeon HD 4870 X2

  • 20x more pipelines: 1600 vs 80
Pipelines 1600 vs 80

Compare benchmarks

GPU 1: ATI Mobility Radeon HD 4870 X2
GPU 2: ATI Mobility Radeon HD 3470 Hybrid X2

Name ATI Mobility Radeon HD 4870 X2 ATI Mobility Radeon HD 3470 Hybrid X2
PassMark - G3D Mark 94
PassMark - G2D Mark 206

Compare specifications (specs)

ATI Mobility Radeon HD 4870 X2 ATI Mobility Radeon HD 3470 Hybrid X2

Essentials

Architecture TeraScale RV6xx
Code name M98 M82-XT + RS780M
Launch date 9 January 2009 8 January 2009
Place in performance rating not rated 843
Type Laptop Laptop

Technical info

Core clock speed 550 MHz
Floating-point performance 2x 880.0 gflops
Manufacturing process technology 55 nm 55 nm
Pipelines 1600 80
Texture fill rate 2x 22 GTexel / s billion / sec
Transistor count 956 million 362 Million

Video outputs and ports

Display Connectors No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16
Laptop size large

API support

DirectX 10.1 10.1
OpenGL 3.3

Memory

Maximum RAM amount 2x 1 GB
Memory bandwidth 2x 89.6 GB / s
Memory bus width 256 Bit
Memory clock speed 2800 MHz
Memory type GDDR3, GDDR5 DDR2 / GDDR3
Shared memory 0 0

Technologies

1x Dual-Link/Single-Link DVI
1x Single-Link DVI Support (all display ports have to be supported by the laptop manufacturer)
DisplayPort support up to 2560x1600
HDMI support up to 1920x1080 (both with 7.1 AC3 Audio)
PCI-E 2.0 x16
Powerplay