AMD Radeon HD 8870 OEM: GPU Specs & Benchmarks

The Radeon HD 8870 OEM is a graphics card by AMD, built on the 28 nm process and based on the Pitcairn graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name
Pitcairn
Model number
Pitcairn XT
(215-0828047)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
2,800 million
Die Size
212 mm²

Graphics Card

Release Date
Jan 8th, 2013
Family
Sea Islands
(HD 8800)
Production
End-of-life
Predecessor
Southern Islands
Bus Interface
PCIe 3.0 x16

Memory

Memory Size
2 GB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
153.6 GB/s

Performance

Pixel fillrate
32.00 GPixel/s
Texture fillrate
80.00 GTexel/s
FP32 (float) performance
2.560 TFLOPS
FP64 (double) performance
160.0 GFLOPS (1:16)

Clock Speeds

Memory Clock
1200 MHz
4.8 Gbps effective
GPU Clock
1000 MHz

Render Config

Shading Units
1280
TMUs
80
ROPs
32
Compute Units
20
L1 Cache
16 KB (per CU)
L2 Cache
512 KB

Board Design

Slot Width
Dual-slot
Length
241 mm
9.5 inches
Thermal design power (TDP)
175 W
Suggested PSU
450 W
Display Connectors
1x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors
2x 6-pin
Board Number
C401

API support

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2
Shader Model
5.1
Radeon HD 8870 OEM
AMD Radeon HD 8870 OEM: GPU Specs & Benchmarks