GeForce GT 640 vs GTX 570 Rev. 2

Place in the ranking	547	767
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.04	0.20
Power efficiency	2.25	3.27
Architecture	Fermi 2.0 (2010−2014)	Kepler (2012−2018)
GPU code name	GF110	GK107
Market segment	Desktop	Desktop
Release date	7 December 2010 (13 years ago)	5 June 2012 (12 years ago)
Launch price (MSRP)	$349	$99

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

GTX 570 Rev. 2 has 420% better value for money than GT 640.

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	480	384
Core clock speed	732 MHz	902 MHz
Number of transistors	3,000 million	1,270 million
Manufacturing process technology	40 nm	28 nm
Power consumption (TDP)	219 Watt	65 Watt
Texture fill rate	43.92	28.86
Floating-point processing power	1.405 TFLOPS	0.6927 TFLOPS
ROPs	40	16
TMUs	60	32

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	PCIe 3.0 x16
Length	267 mm	145 mm
Width	2-slot	1-slot
Supplementary power connectors	2x 6-pin	None

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	DDR3
Maximum RAM amount	1280 MB	2 GB
Memory bus width	320 Bit	128 Bit
Memory clock speed	950 MHz	891 MHz
Memory bandwidth	152.0 GB/s	28.51 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	1x DVI, 1x HDMI, 1x DisplayPort
HDMI	+	+

API compatibility

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

DirectX	12 (11_0)	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.6	4.6
OpenCL	1.1	1.2
Vulkan	N/A	1.1.126
CUDA	2.0	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	7.08	3.05
Recency	7 December 2010	5 June 2012
Maximum RAM amount	1280 MB	2 GB
Chip lithography	40 nm	28 nm
Power consumption (TDP)	219 Watt	65 Watt

GTX 570 Rev. 2 has a 132.1% higher aggregate performance score.

GT 640, on the other hand, has an age advantage of 1 year, a 60% higher maximum VRAM amount, a 42.9% more advanced lithography process, and 236.9% lower power consumption.

The GeForce GTX 570 Rev. 2 is our recommended choice as it beats the GeForce GT 640 in performance tests.

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