GeForce GTX 1660 vs Radeon RX 550 640SP

Primary details

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

Place in the rankingnot rated180
Place by popularitynot in top-10051
Cost-effectiveness evaluationno data48.93
Power efficiencyno data17.46
ArchitectureGCN 4.0 (2016−2020)Turing (2018−2022)
GPU code nameBaffinTU116
Market segmentDesktopDesktop
Release date13 October 2017 (7 years ago)14 March 2019 (5 years ago)
Launch price (MSRP)no data$219

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 cores6401408
Core clock speed1019 MHz1530 MHz
Boost clock speed1071 MHz1785 MHz
Number of transistors3,000 million6,600 million
Manufacturing process technology14 nm12 nm
Power consumption (TDP)60 Watt120 Watt
Texture fill rate42.84157.1
Floating-point processing power1.371 TFLOPS5.027 TFLOPS
ROPs1648
TMUs4088

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).

InterfacePCIe 3.0 x8PCIe 3.0 x16
Length145 mm229 mm
Width2-slot2-slot
Supplementary power connectorsNone1x 8-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 typeGDDR5GDDR5
Maximum RAM amount2 GB6 GB
Memory bus width128 Bit192 Bit
Memory clock speed1500 MHz2001 MHz
Memory bandwidth96 GB/s192.1 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 Connectors1x DVI, 1x HDMI, 1x DisplayPort1x DVI, 1x HDMI, 1x DisplayPort
HDMI++

API compatibility

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

DirectX12 (12_0)12 (12_1)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.01.2
Vulkan1.2.1311.2.131
CUDA-7.5

Pros & cons summary


Recency 13 October 2017 14 March 2019
Maximum RAM amount 2 GB 6 GB
Chip lithography 14 nm 12 nm
Power consumption (TDP) 60 Watt 120 Watt

RX 550 640SP has 100% lower power consumption.

GTX 1660, on the other hand, has an age advantage of 1 year, a 200% higher maximum VRAM amount, and a 16.7% more advanced lithography process.

We couldn't decide between Radeon RX 550 640SP and GeForce GTX 1660. We've got no test results to judge.


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

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AMD Radeon RX 550 640SP
Radeon RX 550 640SP
NVIDIA GeForce GTX 1660
GeForce GTX 1660

Comparisons with similar GPUs

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Community ratings

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3.8 40 votes

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4.1 5155 votes

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Questions & comments

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