GeForce GTX 275 vs GTX 660 OEM

Place in the ranking	734	714
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.33
Power efficiency	1.79	1.13
Architecture	Kepler (2012−2018)	Tesla 2.0 (2007−2013)
GPU code name	GK104	GT200B
Market segment	Desktop	Desktop
Release date	22 August 2012 (12 years ago)	15 January 2009 (15 years ago)
Launch price (MSRP)	no data	$249

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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	1152	240
Core clock speed	823 MHz	633 MHz
Boost clock speed	888 MHz	no data
Number of transistors	3,540 million	1,400 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	130 Watt	219 Watt
Maximum GPU temperature	no data	105 °C
Texture fill rate	85.25	50.64
Floating-point processing power	2.046 TFLOPS	0.6739 TFLOPS
ROPs	32	28
TMUs	96	80

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	no data	PCI-E 2.0
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	241 mm	267 mm
Height	no data	4.376" (111 mm) (11.1 cm)
Width	2-slot	2-slot
Supplementary power connectors	1x 6-pin	2x 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	2 GB	896 MB
Memory bus width	256 Bit	448 Bit
Memory clock speed	1400 MHz	1134 MHz
Memory bandwidth	179.2 GB/s	127.0 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 HDMI, 1x DisplayPort	Two Dual Link DVI
Multi monitor support	no data	+
HDMI	+	-
Maximum VGA resolution	no data	2048x1536
Audio input for HDMI	no data	S/PDIF

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	4.6	3.0
OpenCL	1.2	1.1
Vulkan	1.1.126	N/A
CUDA	3.0	+

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	3.36	3.59
Recency	22 August 2012	15 January 2009
Maximum RAM amount	2 GB	896 MB
Chip lithography	28 nm	55 nm
Power consumption (TDP)	130 Watt	219 Watt

GTX 660 OEM has an age advantage of 3 years, a 128.6% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 68.5% lower power consumption.

GTX 275, on the other hand, has a 6.8% higher aggregate performance score.

Given the minimal performance differences, no clear winner can be declared between GeForce GTX 660 OEM and GeForce GTX 275.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.