GeForce GTX 660 vs GeForce MX450

Full comparison of specs, performance and benchmarks

Aggregate performance score

We've compared GTX 660 and GeForce MX450 across specs and all relevant benchmarks.

GeForce MX450 outperforms GTX 660 by ~15% on the catalog index; this is not a measured FPS gain.+15%

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: GeForce GTX 660 (~23%)

The score difference is not a measured FPS improvement.

Reasons to consider GTX 660

  • Higher catalog value index
  • Recorded feature support: OpenCL 3.0, CUDA 3.0 · Not supported

Reasons to consider GeForce MX450

  • Higher catalog performance index
  • Recorded feature support: CUDA / OpenCL · Not supported
Low confidence

Catalog metrics radar

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

H2H
Performance
Price / performance
Performance
3338
Price / performance
10065
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 193–198of 321
GTX 660not in TOP100position in the GPU ranking
GeForce MX450not in TOP100position in the GPU ranking

Which should you choose?

Two practical conclusions based on community votes and gaming value.

COMMUNITY CHOICE

GeForce GTX 660

100 likes

Head to Head visitors currently choose this model more often.

Overview

Scores are calculated from specifications, performance, and efficiency.

CategoryGTX 660GeForce MX450
GamesDirectX, OpenCL, and Vulkan performance
33
38Better
Professional applications3D modeling, video editing, and rendering
30
34Better
AI and machine learningMachine-learning and AI capabilities
28
31Better
Power efficiencyPower consumption across workloads
79Better
33
Head to Head scoreOverall catalog score
49Better
40

Specifications

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

SpecificationGTX 660GeForce MX450
DisplayPort
HDMI
Device class
USB Type-C
DirectX
Vulkan
OpenGL
TFLOPS
Power consumption
Release date
Architecture
Process node
Clock speed
Memory type
Power connector
Thickness
Base clock
Boost clock
VRAM
Memory frequency
Memory bus
Memory bandwidth
Interface
Power consumption
Recommended PSU
Max monitors
Max resolution
Length
Compute API
Launch price
Shader units / cores
Die size
Memory cache
Transistor count
Upscaling

Gaming FPS

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

The Gaming FPS section compares GTX 660 and GeForce MX450 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.

GTX 660GeForce MX450
Verified externalEstimatedSources ↗
Counter-Strike 2

Counter-Strike 2

1080p High
167 FPS
157 FPS
1080p Ultra
114 FPS
111 FPS
1440p Ultra
64 FPS
86 FPS
4K Ultra
23 FPS
43 FPS
Game1080p High1080p Ultra1440p Ultra4K Ultra
Counter-Strike 2GTX 660167 FPSGeForce MX450157 FPSGTX 660114 FPSGeForce MX450111 FPSGTX 66064 FPSGeForce MX45086 FPSGTX 66023 FPSGeForce MX45043 FPS
Cyberpunk 2077GTX 660108 FPSGeForce MX450102 FPSGTX 66090 FPSGeForce MX45088 FPSGTX 66046 FPSGeForce MX45062 FPSGTX 66015 FPSGeForce MX45029 FPS
Forza Horizon 5GTX 660136 FPSGeForce MX450128 FPSGTX 66085 FPSGeForce MX45083 FPSGTX 66057 FPSGeForce MX45077 FPSGTX 66033 FPSGeForce MX45063 FPS
Hogwarts LegacyGTX 66088 FPSGeForce MX45083 FPSGTX 66071 FPSGeForce MX45069 FPSGTX 66041 FPSGeForce MX45056 FPSGTX 66015 FPSGeForce MX45029 FPS
Average FPSGTX 660125 FPSGeForce MX450118 FPSGTX 66090 FPSGeForce MX45088 FPSGTX 66052 FPSGeForce MX45070 FPSGTX 66022 FPSGeForce MX45041 FPS

H2H workload indices

Comparable internal indices on a fixed 0–100 scale.

IndexGTX 660GeForce MX450Difference
H2H Raster IndexH2H Index / 100333814%
H2H Compute IndexH2H Index / 10037383%
H2H Rendering IndexH2H Index / 10039383%
H2H Memory Workload IndexH2H Index / 100560200%
H2H Efficiency IndexH2H Index / 100790200%

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.

IndexGTX 660GeForce MX450Difference
H2H Image Generation IndexH2H Index / 100433812%
H2H ML Training IndexH2H Index / 100423810%
H2H Inference IndexH2H Index / 10039383%
H2H Local LLM IndexH2H Index / 100453817%
H2H Computer Vision IndexH2H Index / 10040385%

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

SpecificationsGTX 660GeForce MX450
DirectX11.012.2
Vulkan1.21.2
OpenGL4.64.6
UpscalingNot supportedNot supported
Compute APIOpenCL 3.0, CUDA 3.0CUDA / OpenCL

Architecture and release

SpecificationsGTX 660GeForce MX450
ArchitectureKeplerPascal / Turing / Ampere
Process node28 nm
Release date20122017
Device classDesktopMobile

GPU cores, die and clocks

SpecificationsGTX 660GeForce MX450
Transistor count2540 millionNot publicly specified
Die size221 mm²Not publicly specified
Shader units / cores960Not publicly specified
Base clock980 MHzOEM/TGP dependent
Boost clock1032 MHzOEM/TGP dependent

Board size, power and compatibility

SpecificationsGTX 660GeForce MX450
InterfacePCIe 3x16OEM platform dependent
Length241 mmOEM dependent
ThicknessDual-slotOEM dependent
Recommended PSU300 WOEM dependent
Power connector6 pinIntegrated laptop power

Display outputs and limits

SpecificationsGTX 660GeForce MX450
HDMIHDMI 1.4aOEM dependent
DisplayPortDisplayPort 1.2OEM dependent
USB Type-CNoOEM dependent
Max monitors4OEM dependent
Max resolution4096 × 2160OEM dependent

Memory and compute throughput

SpecificationsGTX 660GeForce MX450
VRAM2 GB GDDR5OEM configuration dependent
Memory typeGDDR5GDDR5 / GDDR6
Memory bus192 bitOEM configuration dependent
TFLOPS1.981OEM/TGP dependent

Other comparisons

0

Reviews and questions

Explain this comparison

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

Device AGTX 66049
Device BGeForce MX45040
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 / 63

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: GTX 660 or GeForce MX450?

GTX 660 has the higher overall gaming score, while GTX 660 offers the better price-to-performance ratio. The final choice depends on resolution and settings.

02Which is better for streaming?

GTX 660 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 660 is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.

04Which is better for video editing?

GTX 660 offers more overall performance, while GTX 660 offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.

05Which is better for neural networks and AI?

GTX 660 is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.

06Which is better for 1080p?

GTX 660 is the most rational 1080p choice, where high frame rates and cost per frame matter most.

07Which is better for 1440p?

GTX 660 leads in combined 1440p performance. GTX 660 can be preferable for heavy textures and games with high VRAM usage.

08Which is better for 4K?

GTX 660 is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.

09Which is better for a quiet PC?

GTX 660 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 660 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 GTX 660 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.