Radeon HD 7450 OEM vs ATI Mobility HD 4650

Primary details

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

Place in the ranking1093not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.05no data
ArchitectureTeraScale (2005−2013)TeraScale 2 (2009−2015)
GPU code nameM96Caicos
Market segmentLaptopDesktop
Release date9 January 2009 (15 years ago)5 January 2012 (12 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 cores320160
Core clock speed500 MHz625 MHz
Number of transistors514 million370 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)35 Watt18 Watt
Texture fill rate16.005.000
Floating-point processing power0.32 TFLOPS0.2 TFLOPS
ROPs84
TMUs328

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
InterfacePCIe 2.0 x16PCIe 2.0 x16
Lengthno data168 mm
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 typeDDR2GDDR3
Maximum RAM amount512 MB512 MB
Memory bus width128 Bit64 Bit
Memory clock speed600 MHz533 MHz
Memory bandwidth19.2 GB/s8.528 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
HDMI-+

API compatibility

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

DirectX10.1 (10_1)11.2 (11_0)
Shader Model4.15.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A

Pros & cons summary


Recency 9 January 2009 5 January 2012
Chip lithography 55 nm 40 nm
Power consumption (TDP) 35 Watt 18 Watt

HD 7450 OEM has an age advantage of 2 years, a 37.5% more advanced lithography process, and 94.4% lower power consumption.

We couldn't decide between Mobility Radeon HD 4650 and Radeon HD 7450 OEM. We've got no test results to judge.

Be aware that Mobility Radeon HD 4650 is a notebook card while Radeon HD 7450 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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ATI Mobility Radeon HD 4650
Mobility Radeon HD 4650
AMD Radeon HD 7450 OEM
Radeon HD 7450 OEM

Comparisons with similar GPUs

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Community ratings

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4 91 vote

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3 125 votes

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Questions & comments

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