Radeon 740M vs R5 340 OEM

Primary details

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

Place in the rankingnot rated502
Place by popularitynot in top-100not in top-100
Power efficiencyno data38.55
ArchitectureGCN 1.0 (2011−2020)RDNA 3.0 (2022−2024)
GPU code nameOlandPhoenix
Market segmentDesktopLaptop
Release date5 May 2015 (9 years ago)4 January 2023 (1 year 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 cores384256
Core clock speed730 MHz800 MHz
Boost clock speed780 MHz2500 MHz
Number of transistors950 million25,390 million
Manufacturing process technology28 nm4 nm
Power consumption (TDP)65 Watt15 Watt
Texture fill rate18.7240.00
Floating-point processing power0.599 TFLOPS2.56 TFLOPS
ROPs88
TMUs2416
Ray Tracing Coresno data4

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 4.0 x8
Length145 mmno data
Width1-slotno data
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 typeGDDR5System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed1150 MHzSystem Shared
Memory bandwidth36.8 GB/sno data
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 Connectors1x DVI, 1x DisplayPortPortable Device Dependent

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.22.1
Vulkan1.2.1311.3

Pros & cons summary


Recency 5 May 2015 4 January 2023
Chip lithography 28 nm 4 nm
Power consumption (TDP) 65 Watt 15 Watt

Radeon 740M has an age advantage of 7 years, a 600% more advanced lithography process, and 333.3% lower power consumption.

We couldn't decide between Radeon R5 340 OEM and Radeon 740M. We've got no test results to judge.

Be aware that Radeon R5 340 OEM is a desktop card while Radeon 740M is a notebook one.


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 740M
Radeon 740M

Comparisons with similar GPUs

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Community ratings

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3 53 votes

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3.8 68 votes

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Questions & comments

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