ATI Radeon X800 XT Mac Edition vs ATI X1600

Primary details

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

Place in the ranking	1502	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	0.34	no data
Architecture	Ultra-Threaded SE (2005−2007)	R400 (2004−2008)
GPU code name	RV516	R423
Market segment	Desktop	Desktop
Release date	2007 (18 years ago)	1 December 2004 (21 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	635 MHz	475 MHz
Number of transistors	105 million	160 million
Manufacturing process technology	90 nm	130 nm
Power consumption (TDP)	27 Watt	54 Watt
Texture fill rate	2.540	7.600
ROPs	4	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	AGP Pro 8x
Width	1-slot	1-slot
Supplementary power connectors	None	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	512 MB	256 MB
Memory bus width	128 Bit	256 Bit
Memory clock speed	800 MBps	500 MHz
Memory bandwidth	12.8 GB/s	32 GB/s

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors

2x DVI, 1x S-Video

2x DVI

API and SDK support

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	512 MB	256 MB
Chip lithography	90 nm	130 nm
Power consumption (TDP)	27 Watt	54 Watt

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