Radeon HD 8670A vs R7 (Bristol Ridge)

Primary details

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

Place in the ranking899not rated
Place by popularitynot in top-100not in top-100
Power efficiency3.02no data
ArchitectureGCN 1.2 (2016)GCN 1.0 (2011−2020)
GPU code nameBristol RidgeSun
Market segmentLaptopLaptop
Release date1 June 2016 (8 years ago)2 February 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 cores512320
Core clock speedno data600 MHz
Boost clock speed900 MHzno data
Number of transistors2410 Million690 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)12-45 Watt45 Watt
Texture fill rateno data12.00
Floating-point processing powerno data0.384 TFLOPS
ROPsno data8
TMUsno data20

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).

Laptop sizemedium sizedno data
Interfaceno dataMXM-A (3.0)

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 typeno dataDDR3
Maximum RAM amountno data1 GB
Memory bus width64/128 Bit64 Bit
Memory clock speedno data1000 MHz
Memory bandwidthno data16 GB/s
Shared memory+no data

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 Connectorsno dataNo outputs

API compatibility

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

DirectX12 (FL 12_0)12 (11_1)
Shader Modelno data5.1
OpenGLno data4.6
OpenCLno data1.2
Vulkan-1.2.131

Pros & cons summary


Recency 1 June 2016 2 February 2013
Power consumption (TDP) 12 Watt 45 Watt

R7 (Bristol Ridge) has an age advantage of 3 years, and 275% lower power consumption.

We couldn't decide between Radeon R7 (Bristol Ridge) and Radeon HD 8670A. 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 R7 (Bristol Ridge)
Radeon R7 (Bristol Ridge)
AMD Radeon HD 8670A
Radeon HD 8670A

Comparisons with similar GPUs

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Community ratings

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3.6 42 votes

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2 6 votes

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Questions & comments

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