ATI Radeon X800 CrossFire Edition vs GeForce 6500

Primary details

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

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Architecture	Curie (2003−2013)	R400 (2004−2008)
GPU code name	NV44 A2	R423
Market segment	Desktop	Desktop
Release date	1 October 2005 (19 years ago)	28 October 2005 (19 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.

Core clock speed	400 MHz	500 MHz
Number of transistors	75 million	160 million
Manufacturing process technology	110 nm	130 nm
Texture fill rate	1.600	8.000
ROPs	2	16
TMUs	4	16

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).

Interface	PCIe 1.0 x16	PCIe 1.0 x16
Width	1-slot	2-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	DDR2	GDDR3
Maximum RAM amount	128 MB	256 MB
Memory bus width	128 Bit	256 Bit
Memory clock speed	266 MHz	500 MHz
Memory bandwidth	8.512 GB/s	32 GB/s

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

1x DVI, 1x VGA, 1x S-Video

2x DVI

API compatibility

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

DirectX	9.0c (9_3)	9.0b (9_2)
Shader Model	3.0	no data
OpenGL	2.1	2.0
OpenCL	N/A	N/A
Vulkan	N/A	N/A

Pros & cons summary

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Maximum RAM amount	128 MB	256 MB
Chip lithography	110 nm	130 nm

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