Snapdragon 665 vs Helio G99

We compared two 8-core processors: Qualcomm Snapdragon 665 (with Adreno 610 graphics) and MediaTek Helio G99 (Mali-G57 MP2). Here you will find the pros and cons of each chip, technical specs, and comprehensive tests in benchmarks, like AnTuTu and Geekbench.

Review

General comparison of performance, power consumption, and other indicators
CPU Performance
Single and multi-core processor tests
Gaming Performance
GPU performance in games and OpenCL/Vulkan
Battery life
Efficiency of battery consumption
NanoReview Score
Overall chip score

Key Differences

Main differences and advantages of each chip
Pros of Qualcomm Snapdragon 665
  • Performs 90% better in floating-point computations
Pros of MediaTek Helio G99
  • Has a smaller size transistor (6 versus 11 nm)
  • Shows significantly better (up to 68%) AnTuTu 11 score – 554K vs 329K
  • 10% higher CPU clock speed (2200 vs 2000 MHz)
  • Higher GPU frequency (~5%)
  • Supports 14% higher memory bandwidth (17 against 14.9 GB/s)
  • Better instruction set architecture

Benchmarks

Performance tests in popular benchmarks

AnTuTu 11

The AnTuTu Benchmark measures CPU, GPU, RAM, and I/O performance in different scenarios
Helio G99 +68%
554590
CPU 147902 218545
GPU 24130 43804
Memory 68847 156545
UX 88578 135696
Total score 329457 554590
Samples [9 tests] [313 tests]

GeekBench 6

The GeekBench test shows raw single-threaded and multithreaded CPU performance
Single-Core Score
Helio G99 +126%
727
Multi-Core Score
Helio G99 +81%
2047
Asset compression 67.9 MB/sec 96.3 MB/sec
HTML 5 Browser 40.2 pages/sec 52 pages/sec
PDF Renderer 48.5 Mpixels/sec 72.2 Mpixels/sec
Image detection 12.7 images/sec 38.5 images/sec
HDR 44.1 Mpixels/sec 63.4 Mpixels/sec
Background blur 1.82 images/sec 5.68 images/sec
Photo processing 8.45 images/sec 16.6 images/sec
Ray tracing 1.66 Mpixels/sec 2.79 Mpixels/sec
Samples 2 tests 82 tests
Compute Score (GPU)
Helio G99 +362%
1410
Background blur 0.28 images/sec 2.02 images/sec
Face detection 0.14 images/sec 1 images/sec
Horizon detection 0.02 Gpixels/sec 0.07 Gpixels/sec
Edge detection 0.04 Gpixels/sec 0.1 Gpixels/sec
Gaussian blur 0.02 Gpixels/sec 0.06 Gpixels/sec
Feature matching - 0.02 Gpixels/sec
Stereo matching 1.24 Gpixels/sec 4.16 Gpixels/sec
Particle physics 22.5 FPS 251.6 FPS
API OpenCL OpenCL
Samples 2 tests 48 tests

3DMark

A cross-platform benchmark that assesses graphics performance in Vulkan (Metal)
3DMark Steel Nomad Light
Score - 135
Stability - 98%
Graphics test - 1 FPS
3DMark Wild Life Extreme
Score - 346
Stability - 99%
Graphics test - 2 FPS

PCMark 3.0

Benchmark for evaluating overall system performance in everyday workloads
PCMark 3.0
Helio G99 +61%
10608
Web score 6072 9196
Video editing score 5062 6615
Data manipulation score 5151 7349
Photo editing score 11822 25535
Writing score 6677 12807
Phones tested 2 models 37 models

Gaming

Table of average FPS and graphics settings in mobile games
PUBG Mobile 29 FPS
[Low]
86 FPS
[Low]
Call of Duty: Mobile 28 FPS
[Ultra]
37 FPS
[Ultra]
Fortnite 27 FPS
[Low]
-
Shadowgun Legends 53 FPS
[Low]
91 FPS
[Low]
World of Tanks Blitz 57 FPS
[Medium]
66 FPS
[Ultra]
Genshin Impact - 48 FPS
[Ultra]
Mobile Legends: Bang Bang 30 FPS
[High]
55 FPS
[Ultra]
Device Xiaomi Redmi Note 8T
1080 x 2340
Cubot X70
1080 x 2408
We provide average results. FPS may differ, depending on game version, OS and other factors.

Recent User Tests

The latest benchmark tests that have been submitted by users
Qualcomm Snapdragon 665
DateBenchmarkResult
πŸ“˜ 2026-08-17 (SR Saani)AnTuTu345256
πŸ“˜ 2026-07-10 (bang)AnTuTu350459
πŸ“˜ 2026-06-05 (Thomas πŸ‡§πŸ‡·)AnTuTu319538
πŸ“˜ 2026-05-10 -> NursAnTuTu329457
πŸ“˜ 2026-05-09 -> NursAnTuTu329457
MediaTek Helio G99
DateBenchmarkResult
πŸ“˜ 2026-09-13 (Hala)AnTuTu520262
πŸ“˜ 2026-09-10 -> 1ArsAnTuTu469582
πŸ“˜ 2026-09-10 (Cmvi)AnTuTu524833
πŸ“˜ 2026-09-09 (ctoyu7665)AnTuTu521495
πŸ“˜ 2026-09-09 (Hotgtg)AnTuTu543543

Specifications

Full list of technical specifications of Snapdragon 665 and Helio G99

CPU

Architecture 4x 2 GHz – Kryo 260 Gold (Cortex-A73)
4x 1.8 GHz – Kryo 260 Silver (Cortex-A53)
2x 2.2 GHz – Cortex-A76
6x 2 GHz – Cortex-A55
Cores 8 8
Frequency 2000 MHz 2200 MHz
Instruction set ARMv8-A ARMv8.2-A
Process 11 nanometers 6 nanometers
Transistor count 1.75 billion -
TDP (Sustained Power Limit) 5 W 5 W
Manufacturing Samsung TSMC

Graphics

GPU name Adreno 610 Mali-G57 MP2
Architecture Adreno 600 Valhall 1st gen
GPU frequency 950 MHz 1000 MHz
Pipelines 1 2
Shading units 128 32
Total shaders 128 64
FLOPS 243.2 Gigaflops 128 Gigaflops
Vulkan version 1.1 1.3
OpenCL version 2.0 2.0
DirectX version 12.1 12

AI Accelerator

Neural processor (NPU) Hexagon 686 Yes

Memory

Memory type LPDDR4X LPDDR4X
Memory frequency 1866 MHz 2133 MHz
Bus 2x 16 Bit 2x 16 Bit
Max bandwidth 14.9 Gb/s 17 Gb/s
Max size 8 GB 12 GB

Multimedia (ISP)

Storage type eMMC 5.1, UFS 2.1 UFS 2.2
Max display resolution 2520 x 1080 2520 x 1080
Max camera resolution 1x 48MP, 2x 16MP 1x 108MP, 2x 16MP
Video capture 4K at 30FPS 2K at 30FPS
Video playback 4K at 30FPS 2K at 30FPS
Video codecs - H.264
- H.265
- VP8
- VP9
- H.264
- H.265
- VP9
Audio codecs - AIFF
- CAF
- MP3
- MP4
- WAV
- AAC
- AIFF
- CAF
- MP3
- MP4
- WAV

Connectivity

Modem X12 -
4G support LTE Cat. 13 LTE Cat. 13
5G support No No
Download speed Up to 600 Mbps Up to 650 Mbps
Upload speed Up to 150 Mbps Up to 150 Mbps
Wi-Fi 5 5
Bluetooth 5.0 5.2
Navigation GPS, GLONASS, Beidou, Galileo, QZSS, SBAS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Info

Announced April 2019 May 2022
Class Mid range Mid range
Model number SM6125 MT6789
Official page Qualcomm Snapdragon 665 official site MediaTek Helio G99 official site
Successor - Qualcomm Snapdragon 6 Gen 4 -
Further details
Notes on Helio G99:
    - The MediaTek G99 Ultimate is essentially the same chip as the G99, with a slightly higher clock speed and no noticeable performance difference. "Ultimate" naming was added for marketing purposes and could confuse the average consumer.

Cast your vote

So, which SoC would you choose?
129 (13.8%)
804 (86.2%)
Total votes: 933

Comments

Please give your opinion on the comparison of Helio G99 and Snapdragon 665, or ask any questions
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Salhu umar nayaya August 24, 2025 at 12:10 AM
Please which is the best one ?
0 Reply
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MasterMCGS November 30, 2025 at 10:35 PM
the helio g99 is the better processor
0 Reply
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anon September 14, 2024 at 09:37 AM
Thank you for the review, it was very helpful. πŸ₯°
+7 Reply