GeForce GTX 1660 Ti Mobile Refresh vs GTX 780M

Primary details

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

Place in the ranking	445	not rated
Place by popularity	not in top-100	not in top-100
Architecture	Kepler (2012−2018)	Turing (2018−2022)
GPU code name	N14E-GTX	TU116B
Market segment	Laptop	Laptop
Release date	30 May 2013 (11 years ago)	15 May 2019 (5 years 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	1536	1536
CUDA cores	1536	no data
Core clock speed	823 MHz	no data
Boost clock speed	no data	1590 MHz
Number of transistors	3,540 million	6,600 million
Manufacturing process technology	28 nm	12 nm
Power consumption (TDP)	122 Watt	no data
Texture fill rate	102.0	152.6
Floating-point processing power	2.448 gflops	4.884 gflops
ROPs	32	48
TMUs	128	96

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).

Laptop size	large	no data
Bus support	PCI Express 3.0, PCI Express 2.0	no data
Interface	MXM-B (3.0)	PCIe 3.0 x16
Supplementary power connectors	None	no data
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	GDDR6
Maximum RAM amount	4 GB	6 GB
Standard memory configuration	GDDR5	no data
Memory bus width	256 Bit	192 Bit
Memory clock speed	2500 MHz	16 GB/s
Memory bandwidth	160.0 GB/s	384.0 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	No outputs	1x DVI, 1x HDMI, 3x DisplayPort
eDP 1.2 signal support	Up to 3840x2160	no data
LVDS signal support	Up to 1920x1200	no data
VGA аnalog display support	Up to 2048x1536	no data
DisplayPort Multimode (DP++) support	Up to 3840x2160	no data
HDMI	+	+
HDCP content protection	+	-
7.1 channel HD audio on HDMI	+	-
TrueHD and DTS-HD audio bitstreaming	+	-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Blu-Ray 3D Support	+	-
H.264, VC1, MPEG2 1080p video decoder	+	-
Optimus	+	-
3D Vision / 3DTV Play	+	-

API compatibility

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

DirectX	12 API	12 (12_1)
Shader Model	5.1	6.5
OpenGL	4.5	4.6
OpenCL	1.1	1.2
Vulkan	1.1.126	1.2
CUDA	+	7.5

Pros & cons summary

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Recency	30 May 2013	15 May 2019
Maximum RAM amount	4 GB	6 GB
Chip lithography	28 nm	12 nm

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