AMD
Radeon RX 6600 XT vs GeForce GTX 1660 Ti
Full comparison of specs, performance and benchmarks
NVIDIA
GTX 1660 Ti
Aggregate performance score
We've compared RX 6600 XT and GTX 1660 Ti across specs and all relevant benchmarks.
↗RX 6600 XT outperforms GTX 1660 Ti by 10% based on our aggregate benchmark results.+10%
Scores are normalized on the Head to Head scale. Higher is better.Radeon RX 6600 XT vs GeForce GTX 1660 Ti: key takeaway
The comparison of RX 6600 XT and GTX 1660 Ti shows a 10% advantage for RX 6600 XT in gaming performance, while GTX 1660 Ti may still be stronger in efficiency and feature set. Use the sections below to check whether that lead comes from real FPS, specifications, efficiency, price or platform features.
SUMMARY PROFILE
Verified-metrics radar
Axes with missing data are hidden; every value uses a fixed scale.
AMD
NVIDIAPerformance
Efficiency
Price / performance
Memory capacity
4339
90100
100100
6860
COMPARISON RESULT
RX 6600 XT is the best overall choice
RX 6600 XT leads in combined game performance. RX 6600 XT offers the better price per frame, while the final choice depends on the required features, memory, and games.
RX 6600 XT leads in the combined performance index
GTX 1660 Ti costs less
CATALOG POSITION
Full ranking →Graphics card ranking
Positions 77–82of 317
COMPARISON VERDICT
Which should you choose?
Two practical conclusions based on community votes and gaming value.
Radeon RX 6600 XT
107 likesHead to Head visitors currently choose this model more often.
GeForce GTX 1660 Ti
100/100 · Price $229The choice is based on the price-to-performance index and launch price.
OVERALL SCORE
Overview
Scores are calculated from specifications, performance, and efficiency.
The Summary score section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
GamesDirectX, OpenCL, and Vulkan performance
43Better
39
Professional applications3D modeling, video editing, and rendering
37Better
34
AI and machine learningMachine-learning and AI capabilities
35Better
32
Power efficiencyPower consumption across workloads
90
100Better
Head to Head scoreOverall catalog score
63Better
62
FULL COMPARISON
Specifications
The better numeric value is highlighted in green, taking the metric direction into account.
The Specifications section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
DisplayPortDisplayPort 1.4aDisplayPort 1.4a
HDMIHDMI 2.1HDMI 2.0
Device classDesktopDesktop
UpscalingFSR—
Max monitors43
Max resolution7680 × 43207680 × 4320
USB Type-CNoNo
DirectX12.212.1
Vulkan1.41.4
OpenGL4.64.6
TFLOPS10.6Better5.437
Power consumption160 W120 WBetter
Memory typeGDDR6GDDR6
Power connector8 pin8 pin
Release date20212019
ArchitectureRDNA 2.0Turing
ThicknessDual-slotDual-slot
Compute APIOpenCL 2.1OpenCL 3.0, CUDA 7.5
Launch price$379$229Better
Shader units / cores2048Better1536
Clock speed1968 - 2589 MHzBetter1500 - 1770 MHz
Base clock1968 MHzBetter1500 MHz
Boost clock2589 MHzBetter1770 MHz
VRAM8 GB GDDR6Better6 GB GDDR6
Memory frequency16 GHzBetter12 GHz
Memory bus128 bit192 bitBetter
Memory bandwidth256 GB/s288 GB/sBetter
InterfacePCIe 4x8PCIe 3x16
Power consumption160 W120 WBetter
Process node7 nmBetter12 nm
Recommended PSU450 W300 WBetter
Length190 mmBetter229 mm
Die size237 mm²Better284 mm²
Memory cacheL1 128 KB, L2 2 MBL1 64 KB, L2 1.5 MB
Transistor count11060 millionBetter6600 million
GAME TEST BENCH
Gaming FPS
Available results are shown separately; missing data is not treated as zero.
The Gaming FPS section compares RX 6600 XT and GTX 1660 Ti across curated H2H Lab game presets. The useful signal is not only average FPS, but also how each device behaves at 1440p and 4K, how memory capacity and bus width affect heavy textures, and whether the game engine favors raster performance, ray tracing, or driver maturity.
RX 6600 XTGTX 1660 Ti
Verified H2HCommunity VerifiedEstimatedPredicted
Black Myth: Wukong
1080p High
24 FPSEstimated 66%
23 FPSEstimated 66%
1080p Ultra
21 FPSEstimated 66%
19 FPSEstimated 66%
1440p Ultra
14 FPSEstimated 64%
12 FPSEstimated 63%
4K Ultra
5 FPSEstimated 56%
5 FPSEstimated 55%
Black Myth: WukongRX 6600 XT24 FPSEstimated 66%GTX 1660 Ti23 FPSEstimated 66%RX 6600 XT21 FPSEstimated 66%GTX 1660 Ti19 FPSEstimated 66%RX 6600 XT14 FPSEstimated 64%GTX 1660 Ti12 FPSEstimated 63%RX 6600 XT5 FPSEstimated 56%GTX 1660 Ti5 FPSEstimated 55%
Call of Duty: WarzoneRX 6600 XT24 FPSEstimated 66%GTX 1660 Ti23 FPSEstimated 66%RX 6600 XT21 FPSEstimated 66%GTX 1660 Ti19 FPSEstimated 66%RX 6600 XT14 FPSEstimated 64%GTX 1660 Ti12 FPSEstimated 63%RX 6600 XT5 FPSEstimated 56%GTX 1660 Ti5 FPSEstimated 55%
Counter-Strike 2RX 6600 XT205 FPSEstimated 74%GTX 1660 Ti191 FPSEstimated 74%RX 6600 XT144 FPSEstimated 74%GTX 1660 Ti134 FPSEstimated 74%RX 6600 XT100 FPSEstimated 72%GTX 1660 Ti88 FPSEstimated 71%RX 6600 XT29 FPSEstimated 64%GTX 1660 Ti27 FPSEstimated 63%
Cyberpunk 2077RX 6600 XT133 FPSEstimated 74%GTX 1660 Ti123 FPSEstimated 74%RX 6600 XT114 FPSEstimated 74%GTX 1660 Ti106 FPSEstimated 74%RX 6600 XT73 FPSEstimated 72%GTX 1660 Ti64 FPSEstimated 71%RX 6600 XT20 FPSEstimated 64%GTX 1660 Ti18 FPSEstimated 63%
Forza Horizon 5RX 6600 XT167 FPSEstimated 80%GTX 1660 Ti155 FPSEstimated 80%RX 6600 XT108 FPSEstimated 74%GTX 1660 Ti101 FPSEstimated 74%RX 6600 XT90 FPSEstimated 72%GTX 1660 Ti79 FPSEstimated 71%RX 6600 XT43 FPSEstimated 64%GTX 1660 Ti39 FPSEstimated 63%
God of War RagnarökRX 6600 XT24 FPSEstimated 66%GTX 1660 Ti23 FPSEstimated 66%RX 6600 XT21 FPSEstimated 66%GTX 1660 Ti19 FPSEstimated 66%RX 6600 XT14 FPSEstimated 64%GTX 1660 Ti12 FPSEstimated 63%RX 6600 XT5 FPSEstimated 56%GTX 1660 Ti5 FPSEstimated 55%
Hogwarts LegacyRX 6600 XT108 FPSEstimated 74%GTX 1660 Ti101 FPSEstimated 74%RX 6600 XT91 FPSEstimated 74%GTX 1660 Ti84 FPSEstimated 74%RX 6600 XT65 FPSEstimated 72%GTX 1660 Ti57 FPSEstimated 71%RX 6600 XT20 FPSEstimated 64%GTX 1660 Ti18 FPSEstimated 63%
Microsoft Flight Simulator 2024RX 6600 XT24 FPSEstimated 66%GTX 1660 Ti23 FPSEstimated 66%RX 6600 XT21 FPSEstimated 66%GTX 1660 Ti19 FPSEstimated 66%RX 6600 XT14 FPSEstimated 64%GTX 1660 Ti12 FPSEstimated 63%RX 6600 XT5 FPSEstimated 56%GTX 1660 Ti5 FPSEstimated 55%
Monster Hunter WildsRX 6600 XT24 FPSEstimated 66%GTX 1660 Ti23 FPSEstimated 66%RX 6600 XT21 FPSEstimated 66%GTX 1660 Ti19 FPSEstimated 66%RX 6600 XT14 FPSEstimated 64%GTX 1660 Ti12 FPSEstimated 63%RX 6600 XT5 FPSEstimated 56%GTX 1660 Ti5 FPSEstimated 55%
StarfieldRX 6600 XT24 FPSEstimated 66%GTX 1660 Ti23 FPSEstimated 66%RX 6600 XT21 FPSEstimated 66%GTX 1660 Ti19 FPSEstimated 66%RX 6600 XT14 FPSEstimated 64%GTX 1660 Ti12 FPSEstimated 63%RX 6600 XT5 FPSEstimated 56%GTX 1660 Ti5 FPSEstimated 55%
HEAD TO HEAD · CALCULATED INDEX
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
The Benchmarks section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
H2H Raster IndexH2H Index / 100433910%
H2H Compute IndexH2H Index / 100534516%
H2H Rendering IndexH2H Index / 100504511%
H2H Memory Workload IndexH2H Index / 100686013%
H2H Efficiency IndexH2H Index / 1009010011%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.
HEAD TO HEAD · CALCULATED INDEX
H2H AI workload indices
Estimated workload profiles based on available performance and memory data.
The Detailed comparison section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
H2H Image Generation IndexH2H Index / 100544910%
H2H ML Training IndexH2H Index / 100534810%
H2H Inference IndexH2H Index / 100504511%
H2H Local LLM IndexH2H Index / 100575111%
H2H Computer Vision IndexH2H Index / 100514513%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.
Graphics APIs, SDKs and upscaling
The Graphics APIs, SDKs and upscaling section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
DirectX12.212.1
Vulkan1.41.4
OpenGL4.64.6
UpscalingFSR—
Compute APIOpenCL 2.1OpenCL 3.0, CUDA 7.5
Architecture and release
The Architecture and release section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
ArchitectureRDNA 2.0Turing
Process node7 nmBetter12 nm
Release date20212019
Device classDesktopDesktop
GPU cores, die and clocks
The Core layout and clocks section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
Transistor count11060 millionBetter6600 million
Die size237 mm²Better284 mm²
Shader units / cores2048Better1536
Base clock1968 MHzBetter1500 MHz
Boost clock2589 MHzBetter1770 MHz
Board size, power and compatibility
The Form factor and compatibility section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
InterfacePCIe 4x8PCIe 3x16
Length190 mmBetter229 mm
ThicknessDual-slotDual-slot
Recommended PSU450 W300 WBetter
Power connector8 pin8 pin
Display outputs and limits
The Display outputs section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
HDMIHDMI 2.1HDMI 2.0
DisplayPortDisplayPort 1.4aDisplayPort 1.4a
USB Type-CNoNo
Max monitors43
Max resolution7680 × 43207680 × 4320
Memory and compute throughput
The VRAM capacity and bandwidth section compares RX 6600 XT and GTX 1660 Ti with normalized H2H data, turning specifications, tests and value signals into practical buying context.
VRAM8 GB GDDR6Better6 GB GDDR6
Memory typeGDDR6GDDR6
Memory bus128 bit192 bitBetter
TFLOPS10.6Better5.437
HEAD TO HEAD · DISCOVER
6Other comparisons
Arc A310IntelReviews and questions
AI EXPLAIN · HEAD TO HEAD
Explain this comparison
Beyond percentages: causes, relevant specifications, and practical impact behind every chart.
What AI will explain
Overall score, radar, FPS, synthetic tests, specifications, efficiency, and value.
REAL CONFIGURATIONS
Owner experiences
Real builds, results, and community feedback.
♢Moderator reviewed☆Helpful to the community🏅Expert badges
Frequently asked comparison questions
Short recommendations based on performance, memory, power consumption, and intended use.
01Which is better for gaming: RX 6600 XT or GTX 1660 Ti?+
RX 6600 XT has the higher overall gaming score, while RX 6600 XT offers the better price-to-performance ratio. The final choice depends on resolution and settings.
02Which is better for streaming?+
GTX 1660 Ti is the stronger streaming choice thanks to performance, hardware encoding, and application support. Check AV1, H.264, and HEVC support before buying.
03Which is better for Blender?+
GTX 1660 Ti is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.
04Which is better for video editing?+
RX 6600 XT offers more overall performance, while RX 6600 XT offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.
05Which is better for neural networks and AI?+
GTX 1660 Ti is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.
06Which is better for 1080p?+
RX 6600 XT is the most rational 1080p choice, where high frame rates and cost per frame matter most.
07Which is better for 1440p?+
RX 6600 XT leads in combined 1440p performance. RX 6600 XT can be preferable for heavy textures and games with high VRAM usage.
08Which is better for 4K?+
RX 6600 XT is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.
09Which is better for a quiet PC?+
GTX 1660 Ti is easier to use in a quiet build because of its lower estimated power and thermal load. Actual noise depends on the specific cooler.
10Which is better without replacing the power supply?+
GTX 1660 Ti is the safer candidate because its stated power consumption is lower. Verify PSU wattage, age, and power connectors.
11Is it worth upgrading from the previous generation?+
Consider upgrading to RX 6600 XT if your current device no longer delivers the required FPS, memory capacity, or feature support. A gain below 15–20% is usually worth waiting for a price cut.