GeForce GTX 1660 vs Radeon RX 550X

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Aggregate performance score

We've compared Radeon RX 550X and GeForce GTX 1660, covering specs and all relevant benchmarks.

RX 550X
2018
4 GB GDDR5, 50 Watt
6.09

GTX 1660 outperforms RX 550X by a whopping 398% based on our aggregate benchmark results.

Primary details

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

Place in the ranking596196
Place by popularitynot in top-10044
Cost-effectiveness evaluationno data47.08
Power efficiency8.3417.34
ArchitectureGCN 4.0 (2016−2020)Turing (2018−2022)
GPU code nameLexaTU116
Market segmentDesktopDesktop
Release date16 December 2018 (6 years ago)14 March 2019 (5 years ago)
Launch price (MSRP)no data$219

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

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 cores5121408
Core clock speed1100 MHz1530 MHz
Boost clock speed1183 MHz1785 MHz
Number of transistors2,200 million6,600 million
Manufacturing process technology14 nm12 nm
Power consumption (TDP)50 Watt120 Watt
Texture fill rate37.86157.1
Floating-point processing power1.211 TFLOPS5.027 TFLOPS
ROPs1648
TMUs3288

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 amount4 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 and SDK 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

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score.

RX 550X 6.09
GTX 1660 30.33
+398%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

RX 550X 2339
GTX 1660 11659
+398%

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

RX 550X 11275
GTX 1660 57946
+414%

GeekBench 5 Vulkan

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.

RX 550X 12494
GTX 1660 56067
+349%

Gaming performance

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

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD16−18
−438%
86
+438%
1440p10−12
−420%
52
+420%
4K5−6
−480%
29
+480%

Cost per frame, $

1080pno data2.55
1440pno data4.21
4Kno data7.55

FPS performance in popular games

Full HD
Low Preset

Atomic Heart 111
+0%
111
+0%
Counter-Strike 2 72
+0%
72
+0%
Cyberpunk 2077 71
+0%
71
+0%

Full HD
Medium Preset

Atomic Heart 83
+0%
83
+0%
Battlefield 5 100−110
+0%
100−110
+0%
Counter-Strike 2 56
+0%
56
+0%
Cyberpunk 2077 58
+0%
58
+0%
Far Cry 5 100
+0%
100
+0%
Fortnite 130−140
+0%
130−140
+0%
Forza Horizon 4 132
+0%
132
+0%
Forza Horizon 5 86
+0%
86
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 110−120
+0%
110−120
+0%
Valorant 306
+0%
306
+0%

Full HD
High Preset

Atomic Heart 49
+0%
49
+0%
Battlefield 5 100−110
+0%
100−110
+0%
Counter-Strike 2 48
+0%
48
+0%
Counter-Strike: Global Offensive 270−280
+0%
270−280
+0%
Cyberpunk 2077 47
+0%
47
+0%
Dota 2 219
+0%
219
+0%
Far Cry 5 92
+0%
92
+0%
Fortnite 130−140
+0%
130−140
+0%
Forza Horizon 4 123
+0%
123
+0%
Forza Horizon 5 63
+0%
63
+0%
Grand Theft Auto V 115
+0%
115
+0%
Metro Exodus 57
+0%
57
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 110−120
+0%
110−120
+0%
The Witcher 3: Wild Hunt 102
+0%
102
+0%
Valorant 287
+0%
287
+0%

Full HD
Ultra Preset

Battlefield 5 100−110
+0%
100−110
+0%
Counter-Strike 2 43
+0%
43
+0%
Cyberpunk 2077 40
+0%
40
+0%
Dota 2 197
+0%
197
+0%
Far Cry 5 86
+0%
86
+0%
Forza Horizon 4 98
+0%
98
+0%
Forza Horizon 5 59
+0%
59
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 110−120
+0%
110−120
+0%
The Witcher 3: Wild Hunt 57
+0%
57
+0%
Valorant 115
+0%
115
+0%

Full HD
Epic Preset

Fortnite 130−140
+0%
130−140
+0%

1440p
High Preset

Counter-Strike 2 24−27
+0%
24−27
+0%
Counter-Strike: Global Offensive 190−200
+0%
190−200
+0%
Grand Theft Auto V 52
+0%
52
+0%
Metro Exodus 33
+0%
33
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 129
+0%
129
+0%
Valorant 226
+0%
226
+0%

1440p
Ultra Preset

Battlefield 5 75−80
+0%
75−80
+0%
Cyberpunk 2077 24
+0%
24
+0%
Far Cry 5 59
+0%
59
+0%
Forza Horizon 4 76
+0%
76
+0%
Forza Horizon 5 40
+0%
40
+0%
The Witcher 3: Wild Hunt 45−50
+0%
45−50
+0%

1440p
Epic Preset

Fortnite 70−75
+0%
70−75
+0%

4K
High Preset

Atomic Heart 21−24
+0%
21−24
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Grand Theft Auto V 49
+0%
49
+0%
Metro Exodus 20
+0%
20
+0%
The Witcher 3: Wild Hunt 35
+0%
35
+0%
Valorant 125
+0%
125
+0%

4K
Ultra Preset

Battlefield 5 40−45
+0%
40−45
+0%
Counter-Strike 2 6
+0%
6
+0%
Cyberpunk 2077 10
+0%
10
+0%
Dota 2 87
+0%
87
+0%
Far Cry 5 30
+0%
30
+0%
Forza Horizon 4 50
+0%
50
+0%
Forza Horizon 5 22
+0%
22
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35
+0%
30−35
+0%

4K
Epic Preset

Fortnite 30−35
+0%
30−35
+0%

This is how RX 550X and GTX 1660 compete in popular games:

  • GTX 1660 is 438% faster in 1080p
  • GTX 1660 is 420% faster in 1440p
  • GTX 1660 is 480% faster in 4K

All in all, in popular games:

  • there's a draw in 67 tests (100%)

Pros & cons summary


Performance score 6.09 30.33
Recency 16 December 2018 14 March 2019
Maximum RAM amount 4 GB 6 GB
Chip lithography 14 nm 12 nm
Power consumption (TDP) 50 Watt 120 Watt

RX 550X has 140% lower power consumption.

GTX 1660, on the other hand, has a 398% higher aggregate performance score, an age advantage of 2 months, a 50% higher maximum VRAM amount, and a 16.7% more advanced lithography process.

The GeForce GTX 1660 is our recommended choice as it beats the Radeon RX 550X in performance tests.

Vote for your favorite

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AMD Radeon RX 550X
Radeon RX 550X
NVIDIA GeForce GTX 1660
GeForce GTX 1660

Other comparisons

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.5 126 votes

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4.1 5617 votes

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