GeForce GTX 1660 Max-Q vs Radeon RX 550X

Primary details

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

Place in the ranking	641	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	8.63	no data
Architecture	GCN 4.0 (2016−2020)	Turing (2018−2022)
GPU code name	Lexa	TU116
Market segment	Desktop	Laptop
Release date	16 December 2018 (6 years ago)	no data
Launch price (MSRP)	no data	$229

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	512	no data
Core clock speed	1100 MHz	1140 MHz
Boost clock speed	1183 MHz	1335 MHz
Number of transistors	2,200 million	6,600 million
Manufacturing process technology	14 nm	12 nm
Power consumption (TDP)	50 Watt	no data
Texture fill rate	37.86	no data
Floating-point processing power	1.211 TFLOPS	no data
ROPs	16	no data
TMUs	32	no data
L1 Cache	128 KB	no data
L2 Cache	512 KB	no data

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 x8	PCIe 3.0 x16
Length	145 mm	no data
Width	2-slot	no data
Supplementary power connectors	None	1x 6-pin

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	no data
Maximum RAM amount	4 GB	no data
Memory bus width	128 Bit	no data
Memory clock speed	1500 MHz	8000 MHz
Memory bandwidth	96 GB/s	no data

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 1x HDMI, 3x DisplayPort
HDMI	+	+

API and SDK support

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

DirectX	12 (12_0)	12.0 (12_1)
Shader Model	6.4	no data
OpenGL	4.6	4.6
OpenCL	2.0	no data
Vulkan	1.2.131	-

Pros & cons summary

---

Chip lithography

14 nm

12 nm

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

---