Radeon RX 6600 XTVSRadeon RX 7900 GRE
Performance, specifications and real-world gaming comparison
♜ WINNERRadeon RX 6600 XT+3%Better overall performance
AMD
RX 6600 XT
VSWINNERRX 6600 XT3%H2H overall index
AMD
RX 7900 GRE
Performance5259
Efficiency10076
Price / Performance10091
Data confidence7575
Fixed-scale H2H model. Missing metrics are omitted instead of estimated from the overall score.
SUMMARY PROFILE
Verified-metrics radar
Axes with missing data are hidden; every value uses a fixed scale.
AMDAMDPerformance
Efficiency
Price / performance
Memory capacity
5259
10076
10091
6888
COMMUNITY · VERIFIED DATA
Open streamer setups→Hardware used by streamers
Real public setups linked to each device.
AMDRX 6600 XT0No verified public setup yet
AMDRX 7900 GRE0No verified public setup yet
COMPARISON RESULT
RX 6600 XT is the best overall choice
RX 6600 XT leads in combined gaming 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
RX 6600 XT costs less
CATALOG POSITION
Full ranking →Graphics card ranking
Positions 33–38of 723
COMPARISON VERDICT
Which should you choose?
Two practical conclusions based on community votes and gaming value.
Radeon RX 6600 XT
0 likesHead to Head visitors currently choose this model more often.
Radeon RX 6600 XT
100/100 · Price $379The choice is based on the price-to-performance index and launch price.
OVERALL SCORE
Overview
Scores are calculated from specifications, performance, and efficiency.
GamesDirectX, OpenCL, and Vulkan performance
52
59Better
Professional applications3D modeling, video editing, and rendering
44
55Better
AI and machine learningMachine-learning and AI capabilities
41
46Better
Power efficiencyPower consumption across workloads
100Better
76
Head to Head scoreOverall catalog score
70Better
68
FULL COMPARISON
Specifications
The better numeric value is highlighted in green, taking the metric direction into account.
Clock speed1968 - 2589 MHzBetter1500 - 2245 MHz
Base clock1968 MHzBetter1500 MHz
Boost clock2589 MHzBetter2245 MHz
VRAM8 GB GDDR616 GB GDDR6Better
Memory typeGDDR6GDDR6
VRAM capacity8 GB16 GBBetter
Memory frequency16 GHz18 GHzBetter
Memory bus128 bit256 bitBetter
Memory bandwidth256 GB/s576 GB/sBetter
InterfacePCIe 4x8PCIe 4x16
Power connector8 pin8+8 pin
Power consumption160 WBetter260 W
TDP160 WBetter260 W
Process node7 nm5 nmBetter
Release date20212023Better
Architecture——
Recommended PSU——
Length——
Thickness——
HDMI——
DisplayPort——
USB Type-C——
Maximum displays——
Maximum resolution——
DirectX——
Vulkan——
OpenGL——
Upscaling——
Compute API——
TFLOPS10.645.98Better
Launch price——
Transistor count——
Die size——
Shader units / cores——
Memory cache——
Gaming FPS
Loading test-rig results…
HEAD TO HEAD · CALCULATED INDEX
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
H2H Raster IndexH2H Index / 100525913%
H2H Compute IndexH2H Index / 100606610%
H2H Rendering IndexH2H Index / 100576716%
H2H Memory Workload IndexH2H Index / 100688826%
H2H Efficiency IndexH2H Index / 1001007627%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from 3DMark, Geekbench, Cinebench, PassMark, Blender, or another third-party benchmark.
HEAD TO HEAD · CALCULATED INDEX
H2H AI workload indices
Estimated workload profiles based on available performance and memory data.
H2H Image Generation IndexH2H Index / 100597220%
H2H ML Training IndexH2H Index / 100597118%
H2H Inference IndexH2H Index / 100576716%
H2H Local LLM IndexH2H Index / 100617521%
H2H Computer Vision IndexH2H Index / 100576818%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from 3DMark, Geekbench, Cinebench, PassMark, Blender, or another third-party benchmark.
Basic information
Architecture——
Process node7 nm5 nmBetter
Release date20212023Better
Launch price——
Detailed specifications
Transistor count——
Die size——
Shader units / cores——
Base clock1968 MHzBetter1500 MHz
Boost clock2589 MHzBetter2245 MHz
Form factor and compatibility
InterfacePCIe 4x8PCIe 4x16
Length——
Thickness——
Recommended PSU——
Power connector8 pin8+8 pin
VRAM capacity and type
VRAM8 GB GDDR616 GB GDDR6Better
Memory typeGDDR6GDDR6
Memory bus128 bit256 bitBetter
Memory bandwidth256 GB/s576 GB/sBetter
Memory cache——
Connectivity and outputs
HDMI——
DisplayPort——
USB Type-C——
Maximum displays——
Maximum resolution——
API and SDK compatibility
DirectX——
Vulkan——
OpenGL——
Upscaling——
Compute API——
HEAD TO HEAD · DISCOVER
6Other comparisons
205NVIDIAReviews 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 RX 7900 GRE?+
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?+
RX 6600 XT 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?+
RX 6600 XT 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 7900 GRE offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.
05Which is better for neural networks and AI?+
RX 7900 GRE 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 7900 GRE 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?+
RX 6600 XT 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?+
RX 6600 XT 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.