Radeon HD 6670 vs GeForce 820M

Full comparison of specs, performance and benchmarks

Aggregate performance score

We've compared HD 6670 and GeForce 820M across specs and all relevant benchmarks.

HD 6670 outperforms GeForce 820M by ~3% on the catalog index; this is not a measured FPS gain.+3%

Scores are normalized on the Head to Head scale. Higher is better. How is this calculated?

H2HBench Data Quality

Low confidence
Specifications: Field verification not recordedVerified gaming results: 0Estimated / unverified results: 32Price record updated: Sep 6, 2026

Limited verified data

H2HBench Verdict

Higher catalog score: Radeon HD 6670 (~24%)

The score difference is not a measured FPS improvement.

Reasons to consider HD 6670

  • Higher catalog performance index
  • Higher catalog value index
  • Recorded feature support: OpenCL 1.2 · Not supported

Reasons to consider GeForce 820M

  • Lower stated power consumption
  • Recorded feature support: OpenCL 3.0, CUDA 3.0 · Not supported
Low confidence

Catalog metrics radar

Axes with missing data are hidden; every value uses a fixed scale.

H2H
Performance
Efficiency
Price / performance
Memory capacity
Performance
3130
Efficiency
100100
Price / performance
10054
Memory capacity
4343
Missing values are never replaced with zero or an average.Model: H2H 2026.07 fixed scale.

Graphics card ranking

Full ranking →

The ranking is recalculated automatically from catalog data.

Positions 150–155of 321
HD 6670not in TOP100position in the GPU ranking
GeForce 820Mnot in TOP100position in the GPU ranking

Which should you choose?

Two practical conclusions based on community votes and gaming value.

COMMUNITY CHOICE

Radeon HD 6670

133 likes

Head to Head visitors currently choose this model more often.

Overview

Scores are calculated from specifications, performance, and efficiency.

CategoryHD 6670GeForce 820M
GamesDirectX, OpenCL, and Vulkan performance
31Better
30
Professional applications3D modeling, video editing, and rendering
29Better
28
AI and machine learningMachine-learning and AI capabilities
26
26
Power efficiencyPower consumption across workloads
100
100
Head to Head scoreOverall catalog score
52Better
42

Specifications

The better numeric value is highlighted in green, taking the metric direction into account.

SpecificationHD 6670GeForce 820M
HDMI
Device class
USB Type-C
DirectX
OpenGL
TFLOPSBetter
Power consumptionBetter
Memory type
Interface
Clock speedBetter
Base clockBetter
Boost clockBetter
Max monitors
Max resolution
VRAM
Memory frequencyBetter
Memory bus
Memory bandwidthBetter
Power connector
Release date
Architecture
Thickness
Compute API
Launch price
Shader units / coresBetter
Power consumptionBetter
Process nodeBetter
Recommended PSU
Length
Die size
Memory cache
Transistor countBetter
Vulkan
Upscaling
DisplayPort

Gaming FPS

Available results are shown separately; missing data is not treated as zero.

The Gaming FPS section compares HD 6670 and GeForce 820M 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.

HD 6670GeForce 820M
Verified externalEstimatedSources ↗
Counter-Strike 2

Counter-Strike 2

1080p High
155 FPS
153 FPS
1080p Ultra
109 FPS
107 FPS
1440p Ultra
59 FPS
58 FPS
4K Ultra
21 FPS
21 FPS
Game1080p High1080p Ultra1440p Ultra4K Ultra
Counter-Strike 2HD 6670155 FPSGeForce 820M153 FPSHD 6670109 FPSGeForce 820M107 FPSHD 667059 FPSGeForce 820M58 FPSHD 667021 FPSGeForce 820M21 FPS
Cyberpunk 2077HD 6670100 FPSGeForce 820M98 FPSHD 667086 FPSGeForce 820M85 FPSHD 667043 FPSGeForce 820M42 FPSHD 667014 FPSGeForce 820M14 FPS
Forza Horizon 5HD 6670126 FPSGeForce 820M124 FPSHD 667082 FPSGeForce 820M80 FPSHD 667053 FPSGeForce 820M52 FPSHD 667031 FPSGeForce 820M30 FPS
Hogwarts LegacyHD 667082 FPSGeForce 820M80 FPSHD 667068 FPSGeForce 820M67 FPSHD 667038 FPSGeForce 820M37 FPSHD 667014 FPSGeForce 820M14 FPS
Average FPSHD 6670116 FPSGeForce 820M114 FPSHD 667086 FPSGeForce 820M85 FPSHD 667048 FPSGeForce 820M47 FPSHD 667020 FPSGeForce 820M20 FPS

H2H workload indices

Comparable internal indices on a fixed 0–100 scale.

IndexHD 6670GeForce 820MDifference
H2H Raster IndexH2H Index / 10031303%
H2H Compute IndexH2H Index / 10032320%
H2H Rendering IndexH2H Index / 10034340%
H2H Memory Workload IndexH2H Index / 10043430%
H2H Efficiency IndexH2H Index / 1001001000%

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.

IndexHD 6670GeForce 820MDifference
H2H Image Generation IndexH2H Index / 10036360%
H2H ML Training IndexH2H Index / 10036353%
H2H Inference IndexH2H Index / 10034340%
H2H Local LLM IndexH2H Index / 10038373%
H2H Computer Vision IndexH2H Index / 10035343%

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

SpecificationsHD 6670GeForce 820M
DirectX11.011.0
VulkanNot supported1.2
OpenGL4.44.6
UpscalingNot supportedNot supported
Compute APIOpenCL 1.2OpenCL 3.0, CUDA 3.0

Architecture and release

SpecificationsHD 6670GeForce 820M
ArchitectureTeraScale 2Kepler / Maxwell
Process node40 nm28 nmBetter
Release date20112015
Device classDesktopMobile

GPU cores, die and clocks

SpecificationsHD 6670GeForce 820M
Transistor count716 million1270 millionBetter
Die size118 mm²118 mm²
Shader units / cores480Better384
Base clock800 MHz810 MHzBetter
Boost clock800 MHz810 MHzBetter

Board size, power and compatibility

SpecificationsHD 6670GeForce 820M
InterfacePCIe 2x16PCIe 3.0 x16
Length168 mmOEM dependent
ThicknessSingle-slotMXM Module
Recommended PSU250 WOEM dependent
Power connectorNoneIntegrated laptop power

Display outputs and limits

SpecificationsHD 6670GeForce 820M
HDMIHDMI 1.3aOEM dependent
DisplayPortBoard dependentOEM dependent
USB Type-CNoOEM dependent
Max monitors3OEM dependent
Max resolution2560 × 1600Depends on host system

Memory and compute throughput

SpecificationsHD 6670GeForce 820M
VRAM2 GB GDDR32 GB DDR3
Memory typeGDDR3GDDR5 / DDR3
Memory bus128 bit128 bit
TFLOPS0.768Better0.622

Other comparisons

0

Reviews and questions

Explain this comparison

Beyond percentages: causes, relevant specifications, and practical impact behind every chart.

Device AHD 667052
Device BGeForce 820M42
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 / 69

Specification record updated:

Benchmarks updated:

Price record updated:

Comparison reviewed:

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 (3)
  1. · Record updated: products
  2. · Record updated: products
  3. · 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.

Report incorrect data

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: HD 6670 or GeForce 820M?

HD 6670 has the higher overall gaming score, while HD 6670 offers the better price-to-performance ratio. The final choice depends on resolution and settings.

02Which is better for streaming?

GeForce 820M 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?

GeForce 820M is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.

04Which is better for video editing?

HD 6670 offers more overall performance, while HD 6670 offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.

05Which is better for neural networks and AI?

GeForce 820M 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 6670 is the most rational 1080p choice, where high frame rates and cost per frame matter most.

07Which is better for 1440p?

HD 6670 leads in combined 1440p performance. HD 6670 can be preferable for heavy textures and games with high VRAM usage.

08Which is better for 4K?

HD 6670 is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.

09Which is better for a quiet PC?

GeForce 820M 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?

GeForce 820M 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 HD 6670 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.