ATI Radeon HD 4650 vs ATI Mobility HD 3650

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Primary details

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

Place in the rankingnot rated1196
Place by popularitynot in top-100not in top-100
Power efficiencyno data0.90
ArchitectureTeraScale (2005−2013)TeraScale (2005−2013)
GPU code nameM86RV730
Market segmentLaptopDesktop
Release date7 January 2008 (16 years ago)10 September 2008 (16 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 cores120320
Core clock speed500 MHz600 MHz
Number of transistors378 million514 million
Manufacturing process technology55 nm55 nm
Power consumption (TDP)30 Watt48 Watt
Texture fill rate4.00019.20
Floating-point processing power0.12 TFLOPS0.384 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).

Laptop sizemedium sizedno data
InterfaceMXM-IIPCIe 2.0 x16
Lengthno data193 mm
Widthno data1-slot

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 typeGDDR3GDDR3
Maximum RAM amount512 MB256 MB
Memory bus width128 Bit128 Bit
Memory clock speed700 MHz700 MHz
Memory bandwidth22.4 GB/s22.4 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 outputs2x DVI, 1x S-Video

API compatibility

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

DirectX10.1 (10_1)10.1 (10_1)
Shader Model4.14.1
OpenGL3.33.3
OpenCLN/A1.1
VulkanN/AN/A

Pros & cons summary


Recency 7 January 2008 10 September 2008
Maximum RAM amount 512 MB 256 MB
Power consumption (TDP) 30 Watt 48 Watt

ATI Mobility HD 3650 has a 100% higher maximum VRAM amount, and 60% lower power consumption.

ATI HD 4650, on the other hand, has an age advantage of 8 months.

We couldn't decide between Mobility Radeon HD 3650 and Radeon HD 4650. We've got no test results to judge.

Be aware that Mobility Radeon HD 3650 is a notebook card while Radeon HD 4650 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 3650
Mobility Radeon HD 3650
ATI Radeon HD 4650
Radeon HD 4650

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Community ratings

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3.9 39 votes

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3.2 227 votes

Rate Radeon HD 4650 on a scale of 1 to 5:

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Questions & comments

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