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AMD Radeon HD 8870 OEM

Pitcairn
Graphics Processor
1280
Cores
80
TMUs
32
ROPs
2048 MB
Memory Size
GDDR5
Memory Type
256 bit
Bus Width
AMD Pitcairn Image
The Radeon HD 8870 OEM is a graphics card by AMD, launched in January 2013. Built on the 28 nm process, and based on the Pitcairn graphics processor, in its Pitcairn XT variant, the card supports DirectX 12.0. The Pitcairn graphics processor is an average sized chip with a die area of 212 mm² and 2,800 million transistors. It features 1280 shading units, 80 texture mapping units and 32 ROPs. AMD has placed 2,048 MB GDDR5 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 1000 MHz, memory is running at 1200 MHz.
We recommend the AMD Radeon HD 8870 OEM for gaming with highest details at resolutions up to, and including, 1920x1080.
Being a dual-slot card, the AMD Radeon HD 8870 OEM draws power from 2x 6-pin power connectors, with power draw rated at 175 W maximum. Display outputs include: 1x DVI, 1x HDMI, 2x mini-DisplayPort. Radeon HD 8870 OEM is connected to the rest of the system using a PCIe 3.0 x16 interface. The card measures 241 mm in length, and features a dual-slot cooling solution.

Graphics Processor

GPU Name: Pitcairn
GPU Variant: Pitcairn XT
Architecture: GCN 1.0
Process Size: 28 nm
Transistors: 2,800 million
Die Size: 212 mm²

Graphics Card

Released: Jan 8th, 2013
Production Status: Active
Bus Interface: PCIe 3.0 x16

Relative Performance

4%
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100%
Radeon HD 8870 OEM
102%
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106%
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128%
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147%
163%
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236%
258%
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278%
305%
321%
345%
349%
360%
421%
434%
Based on TPU review data: "Performance Summary" at 1920x1080
Radeon HD 8870 OEM performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock: 1000 MHz
Memory Clock: 1200 MHz
4800 MHz effective

Memory

Memory Size: 2048 MB
Memory Type: GDDR5
Memory Bus: 256 bit
Bandwidth: 153.6 GB/s

Render Config

Shading Units: 1280
TMUs: 80
ROPs: 32
Compute Units: 20
Pixel Rate: 32.00 GPixel/s
Texture Rate: 80.00 GTexel/s
Floating-point performance: 2,560 GFLOPS

Board Design

Slot Width: Dual-slot
Length: 9.5 inches
241 mm
TDP: 175 W
Outputs: 1x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors: 2x 6-pin
Board Number: C401

Graphics Features

DirectX: 12.0
OpenGL: 4.6
OpenCL: 1.2
Shader Model: 5.0

Card Notes

Rebranded HD 7870 GHz Edition
128 Z/Stencil ROP Units