ATI Graphics Xpression ISA vs GeForce GTX 275 PhysX Edition

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	Tesla 2.0 (2007−2013)	Mach (1992−1997)
GPU code name	GT200B	Mach64
Market segment	Desktop	Desktop
Release date	16 February 2010 (14 years ago)	1995 (29 years ago)
Launch price (MSRP)	no data	$249

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	240	no data
Core clock speed	633 MHz	40 MHz
Number of transistors	1,400 million	1 million
Manufacturing process technology	55 nm	600 nm
Power consumption (TDP)	219 Watt	no data
Texture fill rate	50.64	no data
Floating-point processing power	0.6221 TFLOPS	no data
ROPs	28	1
TMUs	80	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).

Interface	PCIe 2.0 x16	PCI
Length	267 mm	no data
Width	2-slot	1-slot
Supplementary power connectors	1x 6-pin + 1x 8-pin	no data

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	DRAM
Maximum RAM amount	896 MB	2 MB
Memory bus width	448 Bit	64 Bit
Memory clock speed	1134 MHz	40 MHz
Memory bandwidth	127.0 GB/s	320.0 MB/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 VGA

API compatibility

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

DirectX	11.1 (10_0)	N/A
Shader Model	4.0	no data
OpenGL	3.3	N/A
OpenCL	1.1	N/A
Vulkan	N/A	N/A
CUDA	1.3	-

Pros & cons summary

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Maximum RAM amount	896 MB	2 MB
Chip lithography	55 nm	600 nm

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