ATI Radeon HD 4270 vs ATI Mobility Radeon HD 3870

Comparative analysis of ATI Radeon HD 4270 and ATI Mobility Radeon HD 3870 videocards for all known characteristics in the following categories: Essentials, Technical info, API support, Memory, Technologies, Video outputs and ports, Compatibility, dimensions and requirements. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark.

 

Differences

Reasons to consider the ATI Radeon HD 4270

  • Videocard is newer: launch date 1 year(s) 10 month(s) later
  • Around 5% better performance in PassMark - G2D Mark: 303 vs 288
Specifications (specs)
Launch date 1 May 2010 vs 4 June 2008
Benchmarks
PassMark - G2D Mark 303 vs 288

Reasons to consider the ATI Mobility Radeon HD 3870

  • Around 12% higher core clock speed: 660 MHz vs 590 MHz
  • 8x more pipelines: 320 vs 40
  • 5x better performance in PassMark - G3D Mark: 548 vs 110
Specifications (specs)
Core clock speed 660 MHz vs 590 MHz
Pipelines 320 vs 40
Benchmarks
PassMark - G3D Mark 548 vs 110

Compare benchmarks

GPU 1: ATI Radeon HD 4270
GPU 2: ATI Mobility Radeon HD 3870

PassMark - G3D Mark
GPU 1
GPU 2
110
548
PassMark - G2D Mark
GPU 1
GPU 2
303
288
Name ATI Radeon HD 4270 ATI Mobility Radeon HD 3870
PassMark - G3D Mark 110 548
PassMark - G2D Mark 303 288

Compare specifications (specs)

ATI Radeon HD 4270 ATI Mobility Radeon HD 3870

Essentials

Architecture RV6xx TeraScale
Code name RS880M M88
Launch date 1 May 2010 4 June 2008
Place in performance rating 535 537
Type Laptop Laptop

Technical info

Core clock speed 590 MHz 660 MHz
Manufacturing process technology 55 nm 55 nm
Pipelines 40 320
Floating-point performance 422.4 gflops
Texture fill rate 10.56 GTexel / s
Thermal Design Power (TDP) 55 Watt
Transistor count 666 million

API support

DirectX 10.1 10.1
OpenGL 3.3

Memory

Maximum RAM amount 512 MB 512 MB
Shared memory yes 0
Memory bandwidth 54.4 GB / s
Memory bus width 256 Bit
Memory clock speed 1700 MHz
Memory type GDDR3

Technologies

HDCP support
PCI-E 2.0
PowerPlay 7.0

Video outputs and ports

Display Connectors No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16
Laptop size large