ATI Mobility Radeon X1800XT vs HD 6450 GDDR5

Primary details

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

Place in the ranking	1191	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	2.54	no data
Architecture	Terascale 2 (2009−2015)	no data
GPU code name	Caicos	M58, R520
Market segment	Desktop	Laptop
Release date	18 April 2011 (14 years ago)	1 March 2006 (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	160	24
Core clock speed	750 MHz	8 MHz
Boost clock speed	no data	550 MHz
Manufacturing process technology	40 nm	90 nm
Power consumption (TDP)	27 Watt	no data

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

no data

large

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	GDDR5	GDDR3
Maximum RAM amount	1 GB	no data
Memory bus width	64 Bit	256 Bit
Memory clock speed	900 MHz	650 MHz
Shared memory	-	-

API and SDK support

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

DirectX

11

GDDR3

Pros & cons summary

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Recency	18 April 2011	1 March 2006
Chip lithography	40 nm	90 nm