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Amd radeon hd 3870 review series#
The power consumption of the HD 3800 series lies between 35-55 Watt. 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).Ĭompared to desktop graphics cards, the HD 3870 is similar to the Radeon HD 3850 (nealry similar clock speeds, same core). 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 Avivo HD video engine helps the cpu in decoding HD videos (MPEG-2, H.264, VC-1).
The RV670 chip has 64 5-dimensional unified shaders with 16 ROPs, 16 TMUs, and 32 TAUs. 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 chip is compareable to the desktop HD 3850 and optimized for less power consumption. 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. Each GPU has 512MB of GDDR 3 memory to itself, connected to its own 256-bit controller, so there’s 1GB in total.3D Printing, 5G, Accessory, AI, Alder Lake, AMD, Android, Apple, ARM, Audio, Benchmark, Biotech, Business, Camera, Cannon Lake, Cezanne (Zen 3), Charts, Chinese Tech, Chromebook, Coffee Lake, Comet Lake, Console, Convertible / 2-in-1, Cryptocurrency, Cyberlaw, Deal, Desktop, E-Mobility, Education, Exclusive, Fail, Foldable, Gadget, Galaxy Note, Galaxy S, Gamecheck, Gaming, Geforce, Google Pixel, GPU, How To, Ice Lake, Intel, Intel Evo, Internet of Things (IoT), iOS, iPad, iPad Pro, iPhone, Jasper Lake, Lakefield, Laptop, Launch, Leaks / Rumors, Linux / Unix, List, Lucienne (Zen 2), MacBook, Mini PC, Monitor, MSI, OnePlus, Opinion, Phablet, Radeon, Raptor Lake, Renoir, Review Snippet, Rocket Lake, Ryzen (Zen), Science, Security, Single-Board Computer (SBC), Smart Home, Smartphone, Smartwatch, Software, Storage, Tablet, ThinkPad, Thunderbolt, Tiger Lake, Touchscreen, Ultrabook, Virtual Reality (VR) / Augmented Reality (AR), Wearable, Wi-Fi 7, Windows, Workstation, XPS, Zen 3 (Vermeer), Zen 4 That’s 640 Stream Processors in total with a transistor count that has climbed past 1.3 billion. The X2's GPUs are made using the same 55nm production process as the HD 3870, and they support DirectX 10.1 and Shader Model 4.1, and have 320 Stream Processors in each chip. While Sapphire’s first take on the X2 is a reference design, Asus has done something that is most unusual by producing an X2 with four DVI ports. You won’t be surprised to learn that the specification of the X2 bears an uncanny resemblance to a pair of HD 3870s while the appearance is very much like a 3870 with an extra couple of inches tacked on the length. Add a PCI Express 1.1 bridge chip, mix the whole lot together on a 263mm-long graphics card and - bingo - you’ve got the X2.
Take two HD 3870 chips - reviewed here - and two batches of 512MB of GDDR 3 memory. The answer is CrossFire on a single graphics card, and here’s the AMD recipe for success. Sapphire's ATI Radeon HD 3870 X2: one board, two GPUs
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