GeForce GT 635M vs ATI Mobility Radeon HD 3850 X2

Primary details

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

Place in the rankingnot rated992
Place by popularitynot in top-100not in top-100
Power efficiencyno data2.89
ArchitectureTeraScale (2005−2013)Fermi 2.0 (2010−2014)
GPU code nameM88GF116
Market segmentLaptopLaptop
Release date4 June 2008 (16 years ago)22 March 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 cores320Up to 144
Core clock speed580 MHzUp to 675 MHz
Boost clock speedno data753 MHz
Number of transistors666 million1,170 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)70 Watt35 Watt
Texture fill rate9.28016.20
Floating-point processing power0.3712 TFLOPS0.3888 TFLOPS
ROPs1616
TMUs1624

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 sizelargelarge
Bus supportno dataPCI Express 2.0
InterfacePCIe 2.0 x16PCIe 2.0 x16

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 typeGDDR3DDR3
Maximum RAM amount512 MB2 GB
Memory bus width256 BitUp to 192bit
Memory clock speed750 MHz900 MHz
Memory bandwidth48 GB/sUp to 43.2 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 outputsNo outputs
HDMI-+
HDCP-+
Maximum VGA resolutionno dataUp to 2048x1536

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray-+
Optimus-+

API compatibility

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

DirectX10.1 (10_1)12 API
Shader Model4.15.1
OpenGL3.34.5
OpenCLN/A1.1
VulkanN/AN/A
CUDA-+

Pros & cons summary


Recency 4 June 2008 22 March 2012
Maximum RAM amount 512 MB 2 GB
Chip lithography 55 nm 40 nm
Power consumption (TDP) 70 Watt 35 Watt

GT 635M has an age advantage of 3 years, a 300% higher maximum VRAM amount, a 37.5% more advanced lithography process, and 100% lower power consumption.

We couldn't decide between Mobility Radeon HD 3850 X2 and GeForce GT 635M. We've got no test results to judge.


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 3850 X2
Mobility Radeon HD 3850 X2
NVIDIA GeForce GT 635M
GeForce GT 635M

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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