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AMD Radeon HD 7870M

AMD Radeon HD 7870M Image AMD Heathrow Image
The Radeon HD 7870M is a graphics card by AMD, launched in April 2012. Built on the 28 nm process, and based on the Heathrow graphics processor, in its Heathrow XT variant, the card supports DirectX 11.1. The Heathrow graphics processor is an average sized chip with a die area of 123 mm² and 1,500 million transistors. It features 640 shading units, 40 texture mapping units and 16 ROPs. AMD has placed 2,048 MB GDDR5 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 800 MHz, memory is running at 1000 MHz.
We recommend the AMD Radeon HD 7870M for gaming with highest details at resolutions up to, and including, 1280x720.
Its power draw is rated at 45 W maximum. Radeon HD 7870M is connected to the rest of the system using a PCIe 3.0 x16 interface.

Graphics Processor

GPU Name: Heathrow
GPU Variant: Heathrow XT
Process Size: 28 nm
Transistors: 1,500 million
Die Size: 123 mm²

Graphics Card

Released: Apr 24th, 2012
Production Status: Active
Bus Interface: PCIe 3.0 x16

Clock Speeds

GPU Clock: 800 MHz
Memory Clock: 1000 MHz
4000 MHz effective

Memory

Memory Size: 2048 MB
Memory Type: GDDR5
Memory Bus: 128 bit
Bandwidth: 64.0 GB/s

Render Config

Shading Units: 640
TMUs: 40
ROPs: 16
Compute Units: 10
Pixel Rate: 12.8 GPixel/s
Texture Rate: 32.0 GTexel/s
Floating-point performance: 1,024 GFLOPS

Board Design

TDP: 45 W

Graphics Features

DirectX: 11.1
OpenGL: 4.3
OpenCL: 1.2
Shader Model: 5.0

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