ATI Mobility Radeon HD 3470 vs ATI Mobility Radeon HD 3870 vs ATI Mobility Radeon HD 3470 Hybrid X2
ATI Mobility Radeon HD 3470
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The AMD ATI Mobility Radeon HD 3470 is a faster clocked HD 3450 and therefore also produced in 55nm and with DirectX 10.1 support (the enhancements over the HD 2400 series).
The 40 unified shaders count like 8 shaders on Nvidia cards (5-dimensional versus 1-dimensional).
The Avivo HD video support enables the gpu to decode HD videos (MPEG-2, H.264, VC-1).
The performance of the card can be suited for modest casual gamers. Demanding games like Crysis run only with very low details and resolution.
Compared to the desktop HD 3470, the Mobility version has a lower core clock speed and should perform a bit better than the desktop HD 3450.
ATI Mobility Radeon HD 3870
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The AMD ATI Mobility Radeon HD 3870 is a higher clocked Mobilty Radeon HD 3850 wich is also manufactured in 55 nm and features DirectX 10.1 support. The chip is compareable to the desktop HD 3850 and optimized for less power consumption.
The performance of the graphics card is similar to the 8800M GTS and should therefore be sufficient for DirectX 9 games in medium to high details (see games list beyond).
The RV670 chip has 64 5-dimensional unified shaders with 16 ROPs, 16 TMUs, and 32 TAUs.
The Avivo HD video engine helps the cpu in decoding HD videos (MPEG-2, H.264, VC-1). The HD 3870 houses the UVD+ (Unified Video Decoder) that is capable of decoding MPEG-2, H.265/AVC, and VC-1 nearly fully. The UVD2 in the HD 4000 generation is capable of full bitstream decoding and two video streams can be decoded at once (which UVD+ can not).
Compared to desktop graphics cards, the HD 3870 is similar to the Radeon HD 3850 (nealry similar clock speeds, same core).
The power consumption of the HD 3800 series lies between 35-55 Watt.
ATI Mobility Radeon HD 3470 Hybrid X2
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Mobility Radeon HD 3470 combinated with the integrated chipset graphics HD3200. The combination leads to a small improvement in the performance (depending on the Crossfire support of the game). The features of the Hybrid X2 combination is identical to a single HD 3470 (DirectX 10.1, Avivo video technology to decode HD videos with the GPU, 55nm process.
| ATI Mobility Radeon HD 3470 | ATI Mobility Radeon HD 3870 | ATI Mobility Radeon HD 3470 Hybrid X2 | |||||||||||||||||||||||||||||||||||||
| Mobility Radeon HD 3000 Series |
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| Codename | M82-XT | M88-XT | M82-XT + RS780M | ||||||||||||||||||||||||||||||||||||
| Architecture | RV6xx | RV6xx | RV6xx | ||||||||||||||||||||||||||||||||||||
| Pipelines | 40 - unified | 320 - unified | 80 - unified | ||||||||||||||||||||||||||||||||||||
| Core Speed | 680 MHz | 660 MHz | |||||||||||||||||||||||||||||||||||||
| Memory Speed | 800 MHz | 850 MHz | |||||||||||||||||||||||||||||||||||||
| Memory Bus Width | 64 Bit | 256 Bit | |||||||||||||||||||||||||||||||||||||
| Memory Type | DDR2/GDDR3 | GDDR3 | DDR2/GDDR3 | ||||||||||||||||||||||||||||||||||||
| Shared Memory | no | no | no | ||||||||||||||||||||||||||||||||||||
| API | DirectX 10.1, Shader 4.1 | DirectX 10.1, Shader 4.1 | DirectX 10.1, Shader 4.1 | ||||||||||||||||||||||||||||||||||||
| Power Consumption | 12 Watt | 55 Watt | |||||||||||||||||||||||||||||||||||||
| Transistors | 181 Million | 666 Million | 362 Million | ||||||||||||||||||||||||||||||||||||
| technology | 55 nm | 55 nm | 55 nm | ||||||||||||||||||||||||||||||||||||
| Features | Display-Port support | Avivo HD, OpenGL 2.0, PowerPlay 7.0, PCI Express 2.0 x16, 512-bit internal ring bus | Display-Port Unterstützung | ||||||||||||||||||||||||||||||||||||
| Date of Announcement | 08.01.2007 | 01.03.2008 | 08.01.2009 | ||||||||||||||||||||||||||||||||||||
| Link to Manufacturer Page | ati.amd.com | ati.amd.com | ati.amd.com | ||||||||||||||||||||||||||||||||||||
| Notebook Size | large | ||||||||||||||||||||||||||||||||||||||
| Information | 55nm, Display Port with external transmitter |
Benchmarks
3DM Vant. Perf. total + ATI Mobility Radeon HD 3870
Average Benchmarks ATI Mobility Radeon HD 3470 → 100% n=5
Average Benchmarks ATI Mobility Radeon HD 3870 → 379% n=5
Average Benchmarks ATI Mobility Radeon HD 3470 Hybrid X2 → 115% n=5
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
Game Benchmarks
The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.
GTA IV - Grand Theft Auto
2008
Supreme Commander - FA Bench
2007
Crysis - GPU Benchmark
2007
Crysis - CPU Benchmark
2007
Call of Juarez Benchmark
2006
The Elder Scrolls IV - Oblivion
2006
Half Life 2 - Lost Coast Benchmark
2005
F.E.A.R.
2005
Doom 3
2004
Quake 3 Arena - Timedemo
1999Average Gaming ATI Mobility Radeon HD 3470 → 100%
Average Gaming 30-70 fps → 100%
Average Gaming ATI Mobility Radeon HD 3870 → 419%
Average Gaming ATI Mobility Radeon HD 3470 Hybrid X2 → 93%
| ATI Mobility Radeon HD 3470 | ATI Mobility Radeon HD 3870 | ATI Mobility Radeon HD 3470 Hybrid X2 | |||||||||||||||||||
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| low | med. | high | ultra | QHD | 4K | low | med. | high | ultra | QHD | 4K | low | med. | high | ultra | QHD | 4K | ||||
| GTA IV - Grand Theft Auto | 15.28 | ||||||||||||||||||||
| Crysis - GPU Benchmark | 25.5 | 11.39 | 6.32 | 26 | 23.87 | ||||||||||||||||
| Crysis - CPU Benchmark | 22.19 | 9.67 | 5.24 | 25 | 20.37 | ||||||||||||||||
| Doom 3 | 125 | 117 | 60.5 | 68.6 | 61.2 | 47 | |||||||||||||||
| ATI Mobility Radeon HD 3470 | ATI Mobility Radeon HD 3870 | ATI Mobility Radeon HD 3470 Hybrid X2 | |||||||||||||||||||
| low | med. | high | ultra | QHD | 4K | low | med. | high | ultra | QHD | 4K | low | med. | high | ultra | QHD | 4K | < 30 fps < 60 fps < 120 fps ≥ 120 fps | 2 | 2 | 2 | | | | < 30 fps < 60 fps < 120 fps ≥ 120 fps | 1 | | 2 | 1 | | | < 30 fps < 60 fps < 120 fps ≥ 120 fps | 3 1 | 1 | 1 | 1 | | |
For more games that might be playable and a list of all games and graphics cards visit our Gaming List
