ATI Radeon HD 4670 X2 vs ATI Mobility Radeon HD 3870 X2
Comparative analysis of ATI Radeon HD 4670 X2 and ATI Mobility Radeon HD 3870 X2 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 4670 X2
- Around 14% higher core clock speed: 750 MHz vs 660 MHz
- Around 6% higher texture fill rate: 2x 24 GTexel / s billion / sec vs 2x 10.56 GTexel / s billion / sec
- Around 14% better floating-point performance: 2x 480.0 gflops vs 2x 422.4 gflops
Core clock speed | 750 MHz vs 660 MHz |
Texture fill rate | 2x 24 GTexel / s billion / sec vs 2x 10.56 GTexel / s billion / sec |
Floating-point performance | 2x 480.0 gflops vs 2x 422.4 gflops |
Reasons to consider the ATI Mobility Radeon HD 3870 X2
- Around 7% lower typical power consumption: 110 Watt vs 118 Watt
- Around 21% higher memory clock speed: 1700 MHz vs 1400 MHz
Thermal Design Power (TDP) | 110 Watt vs 118 Watt |
Memory clock speed | 1700 MHz vs 1400 MHz |
Compare benchmarks
GPU 1: ATI Radeon HD 4670 X2
GPU 2: ATI Mobility Radeon HD 3870 X2
Name | ATI Radeon HD 4670 X2 | ATI Mobility Radeon HD 3870 X2 |
---|---|---|
PassMark - G3D Mark | 478 | |
PassMark - G2D Mark | 187 |
Compare specifications (specs)
ATI Radeon HD 4670 X2 | ATI Mobility Radeon HD 3870 X2 | |
---|---|---|
Essentials |
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Architecture | TeraScale | TeraScale |
Code name | RV730 | M88 |
Launch date | 10 September 2008 | 1 September 2008 |
Place in performance rating | not rated | 881 |
Type | Desktop | Laptop |
Technical info |
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Core clock speed | 750 MHz | 660 MHz |
Floating-point performance | 2x 480.0 gflops | 2x 422.4 gflops |
Manufacturing process technology | 55 nm | 55 nm |
Pipelines | 2x 320 | 640 |
Texture fill rate | 2x 24 GTexel / s billion / sec | 2x 10.56 GTexel / s billion / sec |
Thermal Design Power (TDP) | 118 Watt | 110 Watt |
Transistor count | 514 million | 666 million |
Video outputs and ports |
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Display Connectors | 4x DVI | No outputs |
Compatibility, dimensions and requirements |
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Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Supplementary power connectors | 1x 6-pin | |
Laptop size | large | |
API support |
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DirectX | 10.1 | 10.1 |
OpenGL | 3.3 | 3.3 |
Memory |
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Maximum RAM amount | 2x 512 MB | 2x 512 MB |
Memory bandwidth | 2x 22.4 GB / s | 2x 54.4 GB / s |
Memory bus width | 2x 128 Bit | 256 Bit |
Memory clock speed | 1400 MHz | 1700 MHz |
Memory type | GDDR3 | GDDR3 |
Shared memory | 0 |