ATI Mobility Radeon X1400 vs ATI HD 3650

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale (2005−2013)R500 (2005−2007)
GPU code nameRV635M54
Market segmentDesktopLaptop
Release date20 January 2008 (16 years ago)19 January 2006 (18 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 cores1206
Core clock speed725 MHz445 MHz
Boost clock speedno data445 MHz
Number of transistors378 million107 million
Manufacturing process technology55 nm90 nm
Power consumption (TDP)65 Wattno data
Texture fill rate5.8001.780
Floating-point processing power0.174 TFLOPSno data
ROPs44
TMUs84

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 2.0 x16PCIe 1.0 x16
Width1-slotno data
Supplementary power connectorsNoneno data

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 typeGDDR3DDR2
Maximum RAM amount256 MB128 MB
Memory bus width128 Bit128 Bit
Memory clock speed800 MHz250 MHz
Memory bandwidth25.6 GB/s8 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 Connectors2x DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX10.1 (10_1)9.0c (9_3)
Shader Model4.13.0
OpenGL3.32.0
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 20 January 2008 19 January 2006
Maximum RAM amount 256 MB 128 MB
Chip lithography 55 nm 90 nm

ATI HD 3650 has an age advantage of 2 years, a 100% higher maximum VRAM amount, and a 63.6% more advanced lithography process.

We couldn't decide between Radeon HD 3650 and Mobility Radeon X1400. We've got no test results to judge.

Be aware that Radeon HD 3650 is a desktop card while Mobility Radeon X1400 is a notebook 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 Radeon HD 3650
Radeon HD 3650
ATI Mobility Radeon X1400
Mobility Radeon X1400

Comparisons with similar GPUs

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Community ratings

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3.7 89 votes

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3.4 29 votes

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Questions & comments

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