ATI Radeon HD 3870 vs R5 340X OEM

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Primary details

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

Place in the rankingnot rated995
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.05
Power efficiencyno data0.94
ArchitectureGCN 1.0 (2011−2020)TeraScale (2005−2013)
GPU code nameOlandRV670
Market segmentDesktopDesktop
Release date5 May 2015 (9 years ago)19 November 2007 (17 years ago)
Launch price (MSRP)no data$269

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores384320
Core clock speed900 MHz777 MHz
Boost clock speed1050 MHzno data
Number of transistors950 million666 million
Manufacturing process technology28 nm55 nm
Power consumption (TDP)65 Watt106 Watt
Texture fill rate21.6012.43
Floating-point processing power0.6912 TFLOPS0.4973 TFLOPS
ROPs816
TMUs2416

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 2.0 x16
Length145 mm241 mm
Width1-slot2-slot
Supplementary power connectorsNone1x 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 typeDDR3GDDR4
Maximum RAM amount2 GB512 MB
Memory bus width64 Bit256 Bit
Memory clock speed1000 MHz1126 MHz
Memory bandwidth16 GB/s72.06 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 DisplayPort2x DVI, 1x S-Video

API compatibility

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

DirectX12 (11_1)10.1 (10_1)
Shader Model5.14.1
OpenGL4.63.3
OpenCL1.2N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 5 May 2015 19 November 2007
Maximum RAM amount 2 GB 512 MB
Chip lithography 28 nm 55 nm
Power consumption (TDP) 65 Watt 106 Watt

R5 340X OEM has an age advantage of 7 years, a 300% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 63.1% lower power consumption.

We couldn't decide between Radeon R5 340X OEM and Radeon HD 3870. 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
ATI Radeon HD 3870
Radeon HD 3870

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Community ratings

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3.5 462 votes

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3.6 161 vote

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Questions & comments

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