ATI Radeon X800 vs GeForce GT 635M

Primary details

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

Place in the ranking	987	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	2.87	no data
Architecture	Fermi 2.0 (2010−2014)	R400 (2004−2008)
GPU code name	GF116	R430
Market segment	Laptop	Desktop
Release date	22 March 2012 (12 years ago)	1 October 2004 (20 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 cores	Up to 144	no data
Core clock speed	Up to 675 MHz	400 MHz
Boost clock speed	753 MHz	no data
Number of transistors	1,170 million	160 million
Manufacturing process technology	40 nm	110 nm
Power consumption (TDP)	35 Watt	30 Watt
Texture fill rate	16.20	4.800
Floating-point processing power	0.3888 TFLOPS	no data
ROPs	16	12
TMUs	24	12

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 size	large	no data
Bus support	PCI Express 2.0	no data
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Width	no data	1-slot
Supplementary power connectors	no data	None

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 type	DDR3	DDR
Maximum RAM amount	2 GB	256 MB
Memory bus width	Up to 192bit	256 Bit
Memory clock speed	900 MHz	350 MHz
Memory bandwidth	Up to 43.2 GB/s	22.4 GB/s
Shared memory	-	no 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 Connectors	No outputs	1x DVI, 1x VGA, 1x S-Video
HDMI	+	-
HDCP	+	-
Maximum VGA resolution	Up to 2048x1536	no data

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.

DirectX	12 API	9.0b (9_2)
Shader Model	5.1	no data
OpenGL	4.5	2.0
OpenCL	1.1	N/A
Vulkan	N/A	N/A
CUDA	+	-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

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Pros & cons summary

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Recency	22 March 2012	1 October 2004
Maximum RAM amount	2 GB	256 MB
Chip lithography	40 nm	110 nm
Power consumption (TDP)	35 Watt	30 Watt

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