AMD A8-3870K Review

👤by Tony Le Bourne Comments 📅25-04-12
Features & Specifications

Specifications
Model Name: A8-3870K
Radeon™ Brand: HD 6550D
CPU Clock Speed: 3.0GHz
CPU Cores on Die: 4 cores
TDP: 100W
Total L2 Cache: 4MB
Radeon™ Cores on Die: 400
GPU Clock Speed: 600 MHz
DDR3 Speed: 1866MHz
DX11 and UVD3
Instruction Set Extensions MMX(+) 3D Now!(+) SSE 1, 2, 3, 4A, x86-64, AMD-V
Transistor count 1450 Million
Die size 228mm²
Lithography 32nm

Features
- AMD Radeon™ Dual Graphics - Combines two powerful AMD Radeon™ graphics processors to dramatically boost graphics and gaming performance. Get the power of two when you add a qualifying AMD Radeon™ discrete graphics card for the most extreme visual and gaming performance.

- AMD Perfect Picture HD - Auto-boosts image quality for enhanced color, contrast and resolution. Experience images and video that you need to see to believe. AMD Perfect Picture HD automatically enhances your images to look bright, clear and vibrant.

- AMD VISION Engine - Accelerate media, productivity and Web browsing applications along with DirectX® 11 support. Enjoy faster Internet browsing on your favorite sites with sharp, crisp images. Enjoy ultra-realistic gaming and immersive visuals.

- AMD Steady Video - No more headaches from watching shaky hand-held video. AMD Steady Video stabilizes the video during playback so you can actually see the action.

- Quad-Core Processor - Easily handle productivity and entertainment all at once. More cores allow you to do more and handle complex tasks blazing fast. Enjoy quad-core performance and lightning speed even when you're watching the latest blockbuster movies, video chatting with friends and dominating the newest game.
- AMD Turbo Core Technology - Automatically scales performance on-demand to provide extra performance when you need it most. Amazing performance when you're pushing your system to the limits, with scaled back power consumption for everyday activities.
- AMD Cool 'n' Quiet™ Technology - Reduces heat and noise so you can experience amazing performance without distraction. The sound effects should be coming from the movie you're watching, not your PC. Experience reduced heat and noise so you can enjoy the show.
- Form Factor - Efficient design that's capable of supporting leading edge, unique desktop form factors. Get amazing HD performance in an energy-efficient, compact design.



Die shot of the Llano architecture

As with the A8-3850, the A8-3870K does not feature Turbo core, though the architecture supports the implementation of it as seen with various lower end APUs. AMD have managed to slightly improve IPC of the K12 CPU cores over the K10.5 as seen in the Phenom II CPUs even though Llano does not contain any L3 cache. The integrated memory controller can natively support DDR3 1866MHz which is intended to feed the bandwidth hungry Radeon cores in the HD 6550D iGPU.


The AMD A series family

As we can see, the A8-3870K is virtually identical to the the A8-3850 with exception of an increased frequency to 3.0GHz up from 2.9GHz within the same TDP, because of this we can assume that base performance will be similar to the A8-3850. Though the real selling point of the Black Edition is the unlocked multiplier.


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