Radeon 660M vs R5 240 OEM

#ad 
Buy on Amazon
VS

Primary details

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

Place in the rankingnot rated329
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2012−2020)RDNA 2 (2020−2023)
GPU code nameOlandRDNA 2 Rembrandt
Market segmentDesktopLaptop
Release date1 November 2013 (10 years ago)4 January 2022 (2 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 cores384384
Core clock speed730 MHzno data
Boost clock speed780 MHz1900 MHz
Number of transistors950 million13,100 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)50 Watt45 Watt
Texture fill rate18.7245.60
Floating-point processing power0.599 gflops1.459 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 4.0 x8
Length168 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 typeDDR3no data
Maximum RAM amount2 GBSystem Shared
Memory bus width64 Bitno data
Memory clock speed1800 MHzno data
Memory bandwidth14.4 GB/sno data
Shared memoryno 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 Connectors1x DVI, 1x HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX12 (11_1)12 (12_1)
Shader Model5.16.5
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.2.1311.2

Pros & cons summary


Recency 1 November 2013 4 January 2022
Chip lithography 28 nm 6 nm
Power consumption (TDP) 50 Watt 45 Watt

Radeon 660M has an age advantage of 8 years, a 366.7% more advanced lithography process, and 11.1% lower power consumption.

We couldn't decide between Radeon R5 240 OEM and Radeon 660M. We've got no test results to judge.

Be aware that Radeon R5 240 OEM is a desktop card while Radeon 660M is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon R5 240 OEM
Radeon R5 240 OEM
AMD Radeon 660M
Radeon 660M

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.6 515 votes

Rate Radeon R5 240 OEM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 279 votes

Rate Radeon 660M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.