ATI Radeon 9800 SE vs GeForce GT 640 OEM

Primary details

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

Place in the ranking	930	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	2.35	no data
Architecture	Kepler (2012−2018)	Rage 8 (2002−2007)
GPU code name	GK107	R350
Market segment	Desktop	Desktop
Release date	24 April 2012 (12 years ago)	1 March 2003 (21 year 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	384	no data
Core clock speed	797 MHz	378 MHz
Number of transistors	1,270 million	117 million
Manufacturing process technology	28 nm	150 nm
Power consumption (TDP)	50 Watt	no data
Texture fill rate	25.50	1.512
Floating-point processing power	0.6121 TFLOPS	no data
ROPs	16	4
TMUs	32	4

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 3.0 x16	AGP 8x
Length	145 mm	no data
Width	1-slot	1-slot
Supplementary power connectors	None	Floppy

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	DDR3	DDR
Maximum RAM amount	2 GB	128 MB
Memory bus width	128 Bit	256 Bit
Memory clock speed	891 MHz	297 MHz
Memory bandwidth	28.51 GB/s	19.01 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 HDMI, 1x DisplayPort	1x DVI, 1x VGA, 1x S-Video
HDMI	+	-

API compatibility

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

DirectX	12 (11_0)	9.0 (9_0)
Shader Model	5.1	no data
OpenGL	4.6	2.0
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	3.0	-

Pros & cons summary

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Recency	24 April 2012	1 March 2003
Maximum RAM amount	2 GB	128 MB
Chip lithography	28 nm	150 nm

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