Radeon R7 Graphics vs HD 7450A

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Primary details

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

Place in the ranking1158not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.06no data
ArchitectureTeraScale 2 (2009−2015)GCN 2.0 (2013−2017)
GPU code nameCaicosSpectre
Market segmentLaptopDesktop
Release date5 January 2012 (12 years ago)11 January 2014 (10 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 cores160512
Core clock speed625 MHz720 MHz
Boost clock speedno data980 MHz
Number of transistors370 million2,410 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)25 Watt15 Watt
Texture fill rate5.00031.36
Floating-point processing power0.2 TFLOPS1.004 TFLOPS
ROPs48
TMUs832

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).

InterfaceMXM-A (3.0)IGP
Widthno dataIGP

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 typeGDDR3System Shared
Maximum RAM amount512 MBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed800 MHzSystem Shared
Memory bandwidth12.8 GB/sno 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX11.2 (11_0)12 (12_0)
Shader Model5.06.0
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Pros & cons summary


Recency 5 January 2012 11 January 2014
Chip lithography 40 nm 28 nm
Power consumption (TDP) 25 Watt 15 Watt

R7 Graphics has an age advantage of 2 years, a 42.9% more advanced lithography process, and 66.7% lower power consumption.

We couldn't decide between Radeon HD 7450A and Radeon R7 Graphics. We've got no test results to judge.

Be aware that Radeon HD 7450A is a notebook card while Radeon R7 Graphics 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 7450A
Radeon HD 7450A
AMD Radeon R7 Graphics
Radeon R7 Graphics

Comparisons with similar GPUs

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Community ratings

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4.4 7 votes

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3.3 1422 votes

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Questions & comments

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