ATI Radeon X850 XT Platinum vs ATI HD 2900 XT

Primary details

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

Place in the ranking	924	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.04	no data
Power efficiency	0.55	no data
Architecture	TeraScale (2005−2013)	R400 (2004−2008)
GPU code name	R600	R480
Market segment	Desktop	Desktop
Release date	14 May 2007 (17 years ago)	21 December 2004 (19 years ago)
Launch price (MSRP)	$399	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	320	no data
Core clock speed	743 MHz	540 MHz
Number of transistors	720 million	160 million
Manufacturing process technology	80 nm	130 nm
Power consumption (TDP)	215 Watt	67 Watt
Texture fill rate	11.89	8.640
Floating-point processing power	0.4755 TFLOPS	no data
ROPs	16	16
TMUs	16	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
Length	241 mm	no data
Width	2-slot	2-slot
Supplementary power connectors	1x 6-pin + 1x 8-pin	1x 6-pin

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	GDDR3	GDDR3
Maximum RAM amount	512 MB	256 MB
Memory bus width	512 Bit	256 Bit
Memory clock speed	828 MHz	590 MHz
Memory bandwidth	106.0 GB/s	37.76 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

2x DVI, 1x S-Video

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

API compatibility

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

DirectX	10.0 (10_0)	9.0b (9_2)
Shader Model	4.0	no data
OpenGL	3.3	2.0
OpenCL	N/A	N/A
Vulkan	N/A	N/A

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	14 May 2007	21 December 2004
Maximum RAM amount	512 MB	256 MB
Chip lithography	80 nm	130 nm
Power consumption (TDP)	215 Watt	67 Watt

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