Radeon HD 8870 OEM vs HD 8470 OEM

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)GCN 1.0 (2011−2020)
GPU code nameCaicosPitcairn
Market segmentDesktopDesktop
Release date8 January 2013 (11 years ago)8 January 2013 (11 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores1601280
Core clock speed775 MHz1000 MHz
Number of transistors370 million2,800 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)35 Watt175 Watt
Texture fill rate6.20080.00
Floating-point processing power0.248 TFLOPS2.56 TFLOPS
ROPs432
TMUs880

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x16PCIe 3.0 x16
Length168 mm241 mm
Width1-slot2-slot
Supplementary power connectorsNone2x 6-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount1 GB2 GB
Memory bus width64 Bit256 Bit
Memory clock speed800 MHz1200 MHz
Memory bandwidth25.6 GB/s153.6 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x DVI, 1x HDMI1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI++

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)12 (11_1)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.2.131

Pros & cons summary


Maximum RAM amount 1 GB 2 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 35 Watt 175 Watt

HD 8470 OEM has 400% lower power consumption.

HD 8870 OEM, on the other hand, has a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 8470 OEM and Radeon HD 8870 OEM. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon HD 8470 OEM
Radeon HD 8470 OEM
AMD Radeon HD 8870 OEM
Radeon HD 8870 OEM

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Community ratings

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