Radeon HD 8670 OEM vs R5 340 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
ArchitectureGCN 1.0 (2011−2020)GCN 1.0 (2011−2020)
GPU code nameOlandOland
Market segmentDesktopDesktop
Release date5 May 2015 (9 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 cores384384
Core clock speed730 MHz1000 MHz
Boost clock speed780 MHz1050 MHz
Number of transistors950 million950 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)65 Watt75 Watt
Texture fill rate18.7225.20
Floating-point processing power0.599 TFLOPS0.8064 TFLOPS
ROPs88
TMUs2424

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 3.0 x8PCIe 3.0 x8
Length145 mmno data
Width1-slot1-slot
Supplementary power connectorsNoneNone

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 Bit128 Bit
Memory clock speed1150 MHz1150 MHz
Memory bandwidth36.8 GB/s73.6 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 DisplayPort1x DVI, 1x HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX12 (11_1)12 (11_1)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 5 May 2015 8 January 2013
Maximum RAM amount 1 GB 2 GB
Power consumption (TDP) 65 Watt 75 Watt

R5 340 OEM has an age advantage of 2 years, and 15.4% lower power consumption.

HD 8670 OEM, on the other hand, has a 100% higher maximum VRAM amount.

We couldn't decide between Radeon R5 340 OEM and Radeon HD 8670 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 R5 340 OEM
Radeon R5 340 OEM
AMD Radeon HD 8670 OEM
Radeon HD 8670 OEM

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