GeForce 8800 GTS 640 vs GTX 470

Primary details

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

Place in the ranking	513	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.28	no data
Power efficiency	2.75	no data
Architecture	Fermi (2010−2014)	Tesla (2006−2010)
GPU code name	GF100	G80
Market segment	Desktop	Desktop
Release date	26 March 2010 (14 years ago)	8 November 2006 (17 years ago)
Launch price (MSRP)	$349	$449

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	448	96
CUDA cores	448	no data
Core clock speed	607 MHz	513 MHz
Number of transistors	3,100 million	681 million
Manufacturing process technology	40 nm	90 nm
Power consumption (TDP)	215 Watt	143 Watt
Maximum GPU temperature	105 °C	no data
Texture fill rate	34.05	24.62
Floating-point processing power	1.089 TFLOPS	0.2281 TFLOPS
ROPs	40	20
TMUs	56	24

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).

Bus support	16x PCI-E 2.0	no data
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	241 mm	267 mm
Height	4.376" (111 mm) (11.1 cm)	no data
Width	2-slot	2-slot
Supplementary power connectors	2x 6-pin	1x 6-pin
SLI options	+	-

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	1280 MB	640 MB
Memory bus width	320 Bit	320 Bit
Memory clock speed	1674 MHz (3348 data rate)	792 MHz
Memory bandwidth	133.9 GB/s	63.36 GB/s
Shared memory	-	-

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	Two Dual Link DVIMini HDMI	2x DVI, 1x S-Video
Multi monitor support	+	no data
HDMI	+	-
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	Internal	no data

API compatibility

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

DirectX	12 (11_0)	11.1 (10_0)
Shader Model	5.1	4.0
OpenGL	4.2	3.3
OpenCL	1.1	1.1
Vulkan	N/A	N/A
CUDA	+	+

Pros & cons summary

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Recency	26 March 2010	8 November 2006
Maximum RAM amount	1280 MB	640 MB
Chip lithography	40 nm	90 nm
Power consumption (TDP)	215 Watt	143 Watt

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