Radeon R7 450 OEM vs HD 7660G

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Primary details

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

Place in the ranking1045not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.43no data
ArchitectureTeraScale 3 (2010−2013)GCN 1.0 (2011−2020)
GPU code nameDevastatorCape Verde
Market segmentLaptopDesktop
Release date15 May 2012 (12 years ago)30 June 2016 (8 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 cores384512
Core clock speed686 MHz925 MHz
Boost clock speed686 MHzno data
Number of transistors1,303 million1,500 million
Manufacturing process technology32 nm28 nm
Power consumption (TDP)35 Watt65 Watt
Texture fill rate16.4629.60
Floating-point processing power0.5268 TFLOPS0.9472 TFLOPS
ROPs816
TMUs2432

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
InterfaceIGPPCIe 3.0 x16
Widthno data1-slot
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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared2 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1125 MHz
Memory bandwidthno data72 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 outputs1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
HDMI-+

API compatibility

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

DirectX11.2 (11_0)12 (11_1)
Shader Model5.06.5 (5.1)
OpenGL4.44.6
OpenCL1.22.1 (1.2)
VulkanN/A1.2.170

Pros & cons summary


Recency 15 May 2012 30 June 2016
Chip lithography 32 nm 28 nm
Power consumption (TDP) 35 Watt 65 Watt

HD 7660G has 85.7% lower power consumption.

R7 450 OEM, on the other hand, has an age advantage of 4 years, and a 14.3% more advanced lithography process.

We couldn't decide between Radeon HD 7660G and Radeon R7 450 OEM. We've got no test results to judge.

Be aware that Radeon HD 7660G is a notebook card while Radeon R7 450 OEM is a desktop 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 HD 7660G
Radeon HD 7660G
AMD Radeon R7 450 OEM
Radeon R7 450 OEM

Comparisons with similar GPUs

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Community ratings

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3.2 133 votes

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3.6 168 votes

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Questions & comments

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