ATI Radeon HD 3870 Mac Edition vs ATI Mobility Radeon HD 3850
Comparative analysis of ATI Radeon HD 3870 Mac Edition and ATI Mobility Radeon HD 3850 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark.
Differences
Reasons to consider the ATI Radeon HD 3870 Mac Edition
- Around 34% higher core clock speed: 777 MHz vs 580 MHz
- Around 34% higher texture fill rate: 12.43 GTexel / s vs 9.28 GTexel / s
- Around 34% better floating-point performance: 497.3 gflops vs 371.2 gflops
- Around 50% higher memory clock speed: 2252 MHz vs 1500 MHz
Core clock speed | 777 MHz vs 580 MHz |
Texture fill rate | 12.43 GTexel / s vs 9.28 GTexel / s |
Floating-point performance | 497.3 gflops vs 371.2 gflops |
Memory clock speed | 2252 MHz vs 1500 MHz |
Reasons to consider the ATI Mobility Radeon HD 3850
- 3x lower typical power consumption: 35 Watt vs 106 Watt
Thermal Design Power (TDP) | 35 Watt vs 106 Watt |
Compare benchmarks
GPU 1: ATI Radeon HD 3870 Mac Edition
GPU 2: ATI Mobility Radeon HD 3850
Name | ATI Radeon HD 3870 Mac Edition | ATI Mobility Radeon HD 3850 |
---|---|---|
PassMark - G3D Mark | 366 | |
PassMark - G2D Mark | 248 |
Compare specifications (specs)
ATI Radeon HD 3870 Mac Edition | ATI Mobility Radeon HD 3850 | |
---|---|---|
Essentials |
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Architecture | TeraScale | TeraScale |
Code name | RV670 | M88 |
Launch date | 12 June 2008 | 4 June 2008 |
Place in performance rating | not rated | 659 |
Type | Desktop | Laptop |
Technical info |
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Core clock speed | 777 MHz | 580 MHz |
Floating-point performance | 497.3 gflops | 371.2 gflops |
Manufacturing process technology | 55 nm | 55 nm |
Pipelines | 320 | 320 |
Texture fill rate | 12.43 GTexel / s | 9.28 GTexel / s |
Thermal Design Power (TDP) | 106 Watt | 35 Watt |
Transistor count | 666 million | 666 million |
Video outputs and ports |
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Display Connectors | 2x DVI, 1x S-Video | No outputs |
HDCP | ||
HDMI | ||
Compatibility, dimensions and requirements |
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Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Length | 241 mm | |
Supplementary power connectors | 1x 6-pin | |
Laptop size | large | |
API support |
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DirectX | 10.0 | 10.1 |
OpenGL | 3.3 | 3.3 |
Memory |
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Maximum RAM amount | 512 MB | 512 MB |
Memory bandwidth | 72.1 GB / s | 48.0 GB / s |
Memory bus width | 256 Bit | 256 Bit |
Memory clock speed | 2252 MHz | 1500 MHz |
Memory type | GDDR4 | GDDR3 |
Shared memory | 0 |