AMD
Radeon RX 6600 vs Radeon HD 6870
Full comparison of specs, performance and benchmarks
AMD
HD 6870
Aggregate performance score
We've compared RX 6600 and HD 6870 across specs and all relevant benchmarks.
↗RX 6600 outperforms HD 6870 by ~31% on the catalog index; this is not a measured FPS gain.+31%
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: Radeon RX 6600 (~15%)
The score difference is not a measured FPS improvement.
Reasons to consider RX 6600
- Higher catalog performance index
- More graphics memory
- Lower stated power consumption
- Recorded feature support: OpenCL 2.1 · FSR
Reasons to consider HD 6870
- Higher catalog value index
- Recorded feature support: OpenCL 1.2 · Not supported
Catalog metrics radar
Axes with missing data are hidden; every value uses a fixed scale.
AMDPerformance
Efficiency
Price / performance
Memory capacity
4232
10071
74100
6856
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.
Radeon HD 6870
Price $11.00Based on catalog performance per unit of current market price, not measured FPS.
Overview
Scores are calculated from specifications, performance, and efficiency.
GamesDirectX, OpenCL, and Vulkan performance
42Better
32
Professional applications3D modeling, video editing, and rendering
37Better
29
AI and machine learningMachine-learning and AI capabilities
34Better
27
Power efficiencyPower consumption across workloads
100Better
71
Head to Head scoreOverall catalog score
54Better
47
Specifications
The better numeric value is highlighted in green, taking the metric direction into account.
DisplayPort
Device class
Upscaling
Max resolution
USB Type-C
DirectX
Vulkan
OpenGL
TFLOPSBetter
Power consumptionBetter
Memory type
Power connector
Release date
Architecture
Thickness
Compute API
Launch priceBetter
Shader units / coresBetter
Clock speedBetter
Base clockBetter
Boost clockBetter
VRAMBetter
Memory frequencyBetter
Memory busBetter
Memory bandwidthBetter
Interface
Power consumptionBetter
Process nodeBetter
Recommended PSUBetter
LengthBetter
Die sizeBetter
Memory cache
Transistor countBetter
Max monitors
HDMI
Gaming FPS
Available results are shown separately; missing data is not treated as zero.
The Gaming FPS section compares RX 6600 and HD 6870 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 6600HD 6870
Verified externalEstimatedSources ↗
Counter-Strike 2
1080p High
201 FPS
164 FPS
1080p Ultra
141 FPS
112 FPS
1440p Ultra
98 FPS
63 FPS
4K Ultra
29 FPS
23 FPS
Counter-Strike 2RX 6600201 FPSHD 6870164 FPSRX 6600141 FPSHD 6870112 FPSRX 660098 FPSHD 687063 FPSRX 660029 FPSHD 687023 FPS
Cyberpunk 2077RX 6600130 FPSHD 6870106 FPSRX 6600112 FPSHD 687088 FPSRX 660071 FPSHD 687046 FPSRX 660019 FPSHD 687016 FPS
Forza Horizon 5RX 6600164 FPSHD 6870133 FPSRX 6600106 FPSHD 687084 FPSRX 660088 FPSHD 687057 FPSRX 660042 FPSHD 687034 FPS
Hogwarts LegacyRX 6600106 FPSHD 687086 FPSRX 660089 FPSHD 687070 FPSRX 660064 FPSHD 687041 FPSRX 660020 FPSHD 687016 FPS
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
H2H Raster IndexH2H Index / 100423227%
H2H Compute IndexH2H Index / 100523539%
H2H Rendering IndexH2H Index / 100493923%
H2H Memory Workload IndexH2H Index / 100685619%
H2H Efficiency IndexH2H Index / 1001007134%
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 / 100544323%
H2H ML Training IndexH2H Index / 100534126%
H2H Inference IndexH2H Index / 100493923%
H2H Local LLM IndexH2H Index / 100564522%
H2H Computer Vision IndexH2H Index / 100503925%
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
DirectX12.211.0
Vulkan1.4Not supported
OpenGL4.64.4
UpscalingFSRNot supported
Compute APIOpenCL 2.1OpenCL 1.2
Architecture and release
ArchitectureRDNA 2.0TeraScale 2
Process node7 nmBetter40 nm
Release date20212010
Device classDesktopDesktop
GPU cores, die and clocks
Transistor count11060 millionBetter1700 million
Die size237 mm²Better255 mm²
Shader units / cores1792Better1120
Base clock1626 MHzBetter900 MHz
Boost clock2491 MHzBetter900 MHz
Board size, power and compatibility
InterfacePCIe 4x8PCIe 2x16
Length190 mmBetter247 mm
ThicknessDual-slotDual-slot
Recommended PSU300 WBetter450 W
Power connector8 pin6+6 pin
Display outputs and limits
HDMIHDMI 2.1HDMI 1.3a
DisplayPortDisplayPort 1.4amini-DisplayPort 1.1
USB Type-CNoNo
Max monitors45
Max resolution7680 × 43204096 × 2160
Memory and compute throughput
VRAM8 GB GDDR6Better1 GB GDDR5
Memory typeGDDR6GDDR5
Memory bus128 bit256 bitBetter
TFLOPS8.928Better2.016
Other comparisons
Arc A380Intel
GTX 1650 GDDR6NVIDIAReviews 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 (5)
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: RX 6600 or HD 6870?+
RX 6600 has the higher overall gaming score, while HD 6870 offers the better price-to-performance ratio. The final choice depends on resolution and settings.
02Which is better for streaming?+
RX 6600 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 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 offers more overall performance, while RX 6600 offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.
05Which is better for neural networks and AI?+
RX 6600 is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.
06Which is better for 1080p?+
HD 6870 is the most rational 1080p choice, where high frame rates and cost per frame matter most.
07Which is better for 1440p?+
RX 6600 leads in combined 1440p performance. RX 6600 can be preferable for heavy textures and games with high VRAM usage.
08Which is better for 4K?+
RX 6600 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 RX 6600 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.