NVIDIA
GeForce 8800 Ultra vs Radeon RX 6600
Full comparison of specs, performance and benchmarks
AMD
RX 6600
Aggregate performance score
We've compared 8800 Ultra and RX 6600 across specs and all relevant benchmarks.
↗8800 Ultra outperforms RX 6600 by ~2% on the catalog index; this is not a measured FPS gain.+2%
Scores are normalized on the Head to Head scale. Higher is better. How is this calculated?H2HBench Data Quality
Low confidenceSpecifications: Field verification not recordedVerified gaming results: 0Estimated / unverified results: 32Price record updated: Sep 6, 2026
Limited verified data
H2HBench Verdict
Higher catalog score: GeForce 8800 Ultra (~6%)
The score difference is not a measured FPS improvement.
Reasons to consider 8800 Ultra
- Higher catalog performance index
- Higher catalog value index
- Recorded feature support: OpenCL 1.0, CUDA 1.0 · Not supported
Reasons to consider RX 6600
- More graphics memory
- Lower stated power consumption
- Recorded feature support: OpenCL 2.1 · FSR
Catalog metrics radar
Axes with missing data are hidden; every value uses a fixed scale.
NVIDIA
AMDPerformance
Efficiency
Price / performance
Memory capacity
4342
84100
10074
1768
Graphics card ranking
Positions 65–70of 321
Which should you choose?
Two practical conclusions based on community votes and gaming value.
Radeon RX 6600
180 likesHead to Head visitors currently choose this model more often.
Overview
Scores are calculated from specifications, performance, and efficiency.
GamesDirectX, OpenCL, and Vulkan performance
43Better
42
Professional applications3D modeling, video editing, and rendering
37
37
AI and machine learningMachine-learning and AI capabilities
35Better
34
Power efficiencyPower consumption across workloads
84
100Better
Head to Head scoreOverall catalog score
57Better
54
Specifications
The better numeric value is highlighted in green, taking the metric direction into account.
Device class
DirectX
OpenGL
TFLOPSBetter
Power consumptionBetter
Clock speedBetter
Memory type
Power connector
Release date
Architecture
Thickness
Compute API
Launch priceBetter
Shader units / coresBetter
Base clockBetter
Boost clockBetter
VRAMBetter
Memory frequencyBetter
Memory busBetter
Memory bandwidthBetter
Interface
Power consumptionBetter
Process nodeBetter
Recommended PSUBetter
LengthBetter
Die sizeBetter
Memory cacheBetter
Transistor countBetter
Max monitors
Max resolution
USB Type-C
Vulkan
DisplayPort
Upscaling
HDMI
Gaming FPS
Available results are shown separately; missing data is not treated as zero.
The Gaming FPS section compares 8800 Ultra and RX 6600 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.
8800 UltraRX 6600
Verified externalEstimatedSources ↗
Counter-Strike 2
1080p High
217 FPS
201 FPS
1080p Ultra
152 FPS
141 FPS
1440p Ultra
85 FPS
98 FPS
4K Ultra
32 FPS
29 FPS
Counter-Strike 28800 Ultra217 FPSRX 6600201 FPS8800 Ultra152 FPSRX 6600141 FPS8800 Ultra85 FPSRX 660098 FPS8800 Ultra32 FPSRX 660029 FPS
Cyberpunk 20778800 Ultra140 FPSRX 6600130 FPS8800 Ultra121 FPSRX 6600112 FPS8800 Ultra62 FPSRX 660071 FPS8800 Ultra22 FPSRX 660019 FPS
Forza Horizon 58800 Ultra176 FPSRX 6600164 FPS8800 Ultra114 FPSRX 6600106 FPS8800 Ultra77 FPSRX 660088 FPS8800 Ultra47 FPSRX 660042 FPS
Hogwarts Legacy8800 Ultra114 FPSRX 6600106 FPS8800 Ultra96 FPSRX 660089 FPS8800 Ultra55 FPSRX 660064 FPS8800 Ultra22 FPSRX 660020 FPS
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
H2H Raster IndexH2H Index / 10043422%
H2H Compute IndexH2H Index / 100365236%
H2H Rendering IndexH2H Index / 100364931%
H2H Memory Workload IndexH2H Index / 1001768120%
H2H Efficiency IndexH2H Index / 1008410017%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.
H2H AI workload indices
Estimated workload profiles based on available performance and memory data.
H2H Image Generation IndexH2H Index / 100315454%
H2H ML Training IndexH2H Index / 100335347%
H2H Inference IndexH2H Index / 100364931%
H2H Local LLM IndexH2H Index / 100295664%
H2H Computer Vision IndexH2H Index / 100355035%
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
DirectX10.012.2
VulkanNot supported1.4
OpenGL3.34.6
UpscalingNot supportedFSR
Compute APIOpenCL 1.0, CUDA 1.0OpenCL 2.1
Architecture and release
ArchitectureTeslaRDNA 2.0
Process node90 nm7 nmBetter
Release date20072021
Device classDesktopDesktop
GPU cores, die and clocks
Transistor count681 million11060 millionBetter
Die size484 mm²237 mm²Better
Shader units / cores1281792Better
Base clock612 MHz1626 MHzBetter
Boost clock612 MHz2491 MHzBetter
Board size, power and compatibility
InterfacePCIe 1x16PCIe 4x8
Length270 mm190 mmBetter
ThicknessDual-slotDual-slot
Recommended PSU450 W300 WBetter
Power connector6+6 pin8 pin
Display outputs and limits
HDMIBoard dependentHDMI 2.1
DisplayPortBoard dependentDisplayPort 1.4a
USB Type-CNoNo
Max monitors34
Max resolution2560 × 16007680 × 4320
Memory and compute throughput
VRAM768 MB GDDR3Better8 GB GDDR6
Memory typeGDDR3GDDR6
Memory bus384 bitBetter128 bit
TFLOPS0.3878.928Better
Other comparisons
Arc A380IntelReviews and questions
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.
Evidence details
Data coverage
- Verified gaming results
- 0
- Verified synthetic results
- 0
- Games with verified results
- 0
- Verified community results
- 0
- Estimated / unverified results
- 32
- Specifications
- 0 / 70
Calculated scores · How is this calculated?
Scores use the catalog model and may include estimated inputs. Open each score to see its origin and the methodology.
clamp(round(performance × 0.7 + (efficiency ?? 50) × 0.2 + (value is missing ? 0 : (value − 50) × 0.2)), 0, 100)Price evidence · View sources (4)
Verified community results
No verified community benchmarks yet.
Reviewed by
No individual editorial review is recorded for this comparison.
Comparison history
Show recorded changes (5)
- · Record updated: products
- · Record updated: products
- · Record changed: product_prices
- · Record updated: products
- · Record updated: products
Why you can trust this comparison
Origin and confidence are evaluated from the evidence attached to each value. Unverified results are identified, and specification, benchmark and price dates remain separate.
Owner experiences
Real builds, results, and community feedback.
Moderator reviewedHelpful to the communityExpert badges
Frequently asked comparison questions
Short recommendations based on performance, memory, power consumption, and intended use.
01Which is better for gaming: 8800 Ultra or RX 6600?+
8800 Ultra has the higher overall gaming score, while 8800 Ultra offers the better price-to-performance ratio. The final choice depends on resolution and settings.
02Which is better for streaming?+
8800 Ultra 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?+
8800 Ultra is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.
04Which is better for video editing?+
8800 Ultra offers more overall performance, while 8800 Ultra offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.
05Which is better for neural networks and AI?+
8800 Ultra is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.
06Which is better for 1080p?+
8800 Ultra is the most rational 1080p choice, where high frame rates and cost per frame matter most.
07Which is better for 1440p?+
8800 Ultra leads in combined 1440p performance. 8800 Ultra can be preferable for heavy textures and games with high VRAM usage.
08Which is better for 4K?+
8800 Ultra 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 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 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 8800 Ultra 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.