Radeon HD 7950 Boost vs R5 340X OEM

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2012−2020)GCN 1.0 (2012−2020)
GPU code nameOlandTahiti
Market segmentDesktopDesktop
Release date5 May 2015 (9 years ago)22 June 2012 (11 years ago)
Launch price (MSRP)no data$449
Current priceno data$315 (0.7x MSRP)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3841792
Core clock speed900 MHz850 MHz
Boost clock speed1050 MHz925 MHz
Number of transistors950 million4,313 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)65 Watt200 Watt
Texture fill rate21.60103.6
Floating-point performance806.4 gflops3,315 gflops

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 x16
Length145 mm274 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 typeDDR3GDDR5
Maximum RAM amount2 GB3 GB
Memory bus width64 Bit384 Bit
Memory clock speed2000 MHz5000 MHz
Memory bandwidth16 GB/s240.0 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, 2x mini-DisplayPort
HDMIno data+

API compatibility

List of supported graphics 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 22 June 2012
Maximum RAM amount 2 GB 3 GB
Power consumption (TDP) 65 Watt 200 Watt

We couldn't decide between Radeon R5 340X OEM and Radeon HD 7950 Boost. 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 340X OEM
Radeon R5 340X OEM
AMD Radeon HD 7950 Boost
Radeon HD 7950 Boost

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Community ratings

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3.4 334 votes

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4.4 12 votes

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Questions & comments

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