Radeon R9 M390 Mac Edition vs R7 (Bristol Ridge)

Primary details

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

Place in the ranking893not rated
Place by popularitynot in top-100not in top-100
Power efficiency3.00no data
ArchitectureGCN 1.2 (2016)GCN 1.0 (2011−2020)
GPU code nameBristol RidgePitcairn
Market segmentLaptopLaptop
Release date1 June 2016 (8 years ago)5 May 2015 (9 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 cores5121024
Core clock speedno data958 MHz
Boost clock speed900 MHzno data
Number of transistors2410 Million2,800 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)12-45 Watt80 Watt
Texture fill rateno data61.31
Floating-point processing powerno data1.962 TFLOPS
ROPsno data32
TMUsno data64

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 dataPCIe 3.0 x16
Supplementary power connectorsno dataNone

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 dataGDDR5
Maximum RAM amountno data2 GB
Memory bus width64/128 Bit256 Bit
Memory clock speedno data1365 MHz
Memory bandwidthno data174.7 GB/s
Shared memory+-

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

Pros & cons summary


Recency 1 June 2016 5 May 2015
Power consumption (TDP) 12 Watt 80 Watt

R7 (Bristol Ridge) has an age advantage of 1 year, and 566.7% lower power consumption.

We couldn't decide between Radeon R7 (Bristol Ridge) and Radeon R9 M390 Mac Edition. 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 R9 M390 Mac Edition
Radeon R9 M390 Mac Edition

Comparisons with similar GPUs

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Community ratings

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3.6 42 votes

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1.9 9 votes

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Questions & comments

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