Intel Core M-5Y10c vs Intel Core M-5Y31

Intel Core M-5Y10c

► remove Intel 5Y10c

The Intel Core M-5Y10c is an ULV (ultra-low voltage) dual-core SoC based on the Broadwell architecture launched in late 2014. Thanks to its TDP of just 4.5 W (configurable), the CPU is suited for passively cooled tablets and 2-in-1 notebooks. In addition to two CPU cores with Hyper-Threading clocked at 0.8 - 2.0 GHz, the chip also integrates an HD Graphics 5300 GPU and a dual-channel LPDDR3/DDR3L(-RS) memory controller up to 25.6 GB/s. The chip is manufactured in a 14 nm process with FinFET transistors.

Architecture

Broadwell represents the "Tick" in Intel's Tick-Tock model, which means a shrink of its predecessor Haswell. The new 14 nm manufacturing process with three-dimensional FinFET transistors allows not only improvements in energy efficiency, but also a significantly smaller die size fit for more compact packages and devices.

Further advantages result from the revised microarchitecture of Broadwell. Due to its improved branch prediction, bigger buffer sizes (1500 instead of 1000 entries in the L2 TLB) and other tweaks, the performance per clock has been increased by more than 5 percent over its predecessor. There are also some new instruction set extensions designed for cryptographic applications.

Performance 

The Core M-5Y10c offers a very wide turbo range from 0.8 - 2.0 GHz; however, the actual frequency will be largely limited by the TDP. Overall, performance is similar to a Core i3-4010U (Haswell, 15 W). Accordingly, the main purpose of Broadwell's higher power efficiency is to reduce power consumption instead of improving raw performance.

The Core M-5Y10c will be sufficient for office and multimedia purposes as well as more demanding applications.

Graphics

The integrated HD Graphics 5300 offers 24 Execution Units (EUs) clocked at 300 - 800 MHz. Similar to the CPU core, the GPU architecture (Intel Gen 8) has been thoroughly revised for improved performance-per-clock. However, the GPU frequency is also limited by the TDP, which prevents significant performance boosts over the older HD 4200 under continuous 3D load. Current games as of 2014 will be playable in low settings and XGA resolution.

Broadwell is the first Intel chip to fully support DirectX 11.2 as well as OpenCL 1.3/2.0 and OpenGL 4.3. Video will output natively via DisplayPort 1.2 or HDMI 1.4a. However, the new HDMI 2.0 standard is not supported.

Power Consumption

With a TDP of only 4.5 W, the Core M-5Y10c draws noticeably less power than the Haswell Y-series (11.5 W). However, the TDP can be set to different values such as 3.5 or 6 W, affecting clock rates and performance (6 W: 1.0 GHz base clock, 3.5 W: 0.6 GHz base clock). The CPU can be passively cooled even in thin tablets.

Intel Core M-5Y31

► remove Intel 5Y31

The Intel Core M-5Y31 is an ULV (ultra-low voltage) dual-core SoC based on the Broadwell architecture launched in late 2014. Thanks to its TDP of just 4.5 W (configurable), the CPU is suited for passively cooled tablets and 2-in-1 notebooks. In addition to two CPU cores with Hyper-Threading clocked at 0.9 - 2.4 GHz, the chip also integrates an HD Graphics 5300 GPU and a dual-channel LPDDR3/DDR3L(-RS) memory controller up to 25.6 GB/s. The chip is manufactured in a 14 nm process with FinFET transistors.

Using the "configurable TDP" feature, the 5Y31 can be clocked at 1.1 GHz base clock at a higher TDP (it seems like Apple is using this feature in the base model of the 12-inch MacBook Retina 2015).

Architecture

Broadwell represents the "Tick" in Intel's Tick-Tock model, which means a shrink of its predecessor Haswell. The new 14 nm manufacturing process with three-dimensional FinFET transistors allows not only improvements in energy efficiency, but also a significantly smaller die size fit for more compact packages and devices.

Further advantages result from the revised microarchitecture of Broadwell. Due to its improved branch prediction, bigger buffer sizes (1500 instead of 1000 entries in the L2 TLB) and other tweaks, the performance per clock has been increased by more than 5 percent over its predecessor. There are also some new instruction set extensions designed for cryptographic applications.

Performance 

The Core M-5Y31 offers a very wide turbo range from 0.9 - 2.4 GHz. However, the actual frequency is largely limited by the TDP. While the CPU is similar to a Core i5-4200U (Haswell, 15 W) in short benchmarks, its performance will begin to degrade under continuous full load. Accordingly, the main purpose of Broadwell's higher power efficiency is to reduce power consumption instead of improving raw performance.

Overall, the Core M-5Y31 will be sufficient for office and multimedia purposes as well as more demanding applications.

Graphics

The integrated HD Graphics 5300 offers 24 Execution Units (EUs) clocked at 300 - 850 MHz. Similar to the CPU core, the GPU architecture (Intel Gen 8) has been thoroughly revised for improved performance-per-clock. However, the GPU frequency will be also limited by the TDP, which prevents significant performance boosts over the older HD 4200 under continuous 3D load. Current games as of 2014/2015 will be playable in lowest settings only.

Broadwell is the first Intel chip to fully support DirectX 11.2 as well as OpenCL 1.3/2.0 and OpenGL 4.3. Video will output natively via DisplayPort 1.2 or HDMI 1.4a. However, the new HDMI 2.0 standard is not officially supported.

Power Consumption

With a TDP of only 4.5 W, the Core M-5Y31 draws noticeably less power than the Haswell Y-series (11.5 W). However, the TDP can be set to different values such as 3.5 or 6 W, affecting clock rates and performance (6 W: 1.1 GHz base clock, 3.5 W: 0.6 GHz base clock). The CPU can be passively cooled even in thin tablets.

Intel Core M-5Y10cIntel Core M-5Y31
Intel Core MIntel Core M
BroadwellBroadwell
: Core M Broadwell
Intel Core M-5Y71 (compare)1200 - 2900 MHz2 / 44 MB
Intel Core M-5Y51 (compare)1100 - 2600 MHz2 / 44 MB
Intel Core M-5Y70 (compare)1100 - 2600 MHz2 / 44 MB
Intel Core M-5Y31900 - 2400 MHz2 / 44 MB
» Intel Core M-5Y10c800 - 2000 MHz2 / 44 MB
Intel Core M-5Y10a (compare)800 - 2000 MHz2 / 44 MB
Intel Core M-5Y10 (compare)800 - 2000 MHz2 / 44 MB
Intel Core M-5Y71 (compare)1200 - 2900 MHz2 / 44 MB
Intel Core M-5Y51 (compare)1100 - 2600 MHz2 / 44 MB
Intel Core M-5Y70 (compare)1100 - 2600 MHz2 / 44 MB
» Intel Core M-5Y31900 - 2400 MHz2 / 44 MB
Intel Core M-5Y10c800 - 2000 MHz2 / 44 MB
Intel Core M-5Y10a (compare)800 - 2000 MHz2 / 44 MB
Intel Core M-5Y10 (compare)800 - 2000 MHz2 / 44 MB
800 - 2000 MHz900 - 2400 MHz
128 KB128 KB
512 KB512 KB
4 MB4 MB
2 / 42 / 4
4.5 4.5
1300 1300
14 14
82 mm282 mm2
95 °C95 °C
FCBGA1234FCBGA1234
HD Graphics 5300 (300 - 800 MHz), Dual-Channel DDR3L(-RS)/LPDDR3 Memory Controller (max. 800 MHz, 25.6 GB/s), HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NIHD Graphics 5300 (300 - 850 MHz), Dual-Channel DDR3L(-RS)/LPDDR3 Memory Controller (max. 800 MHz, 25.6 GB/s), HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
iGPUIntel HD Graphics 5300 (300 - 800 MHz)Intel HD Graphics 5300 (300 - 850 MHz)
Intel Core M 5Y10cIntel Core M 5Y31

Cinebench R15 - CPU Multi 64Bit
min: 131     avg: 158.3     median: 164 (4%)     max: 180 Points
127%
5Y31 +
min: 148     avg: 193.8     median: 208 (5%)     max: 211 Points
Cinebench R15 - CPU Single 64Bit
min: 57     avg: 66     median: 66 (30%)     max: 75 Points
148%
5Y31 +
min: 79     avg: 93.3     median: 98 (45%)     max: 98 Points
Cinebench R11.5 - CPU Multi 64Bit
1.7 Points (5%)
200%
5Y31 +
min: 1     avg: 2.1     median: 2 (6%)     max: 2 Points
Cinebench R11.5 - CPU Single 64Bit
0.8 Points (42%)
100%
5Y31 +
min: 0     avg: 1.1     median: 1 (50%)     max: 1 Points
Cinebench R10 - Rendering Single 32Bit
min: 2417     avg: 2726     median: 2726 (30%)     max: 3035 Points
125%
5Y31 +
min: 3123     avg: 3395.5     median: 3395 (37%)     max: 3668 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
3804 Points (8%)
173%
5Y31 +
min: 5280     avg: 6563     median: 6563 (13%)     max: 7846 Points
WinRAR - Result
100%
5Y31 +
1745 KB/s (20%)
X264 HD Benchmark 4.0 - Pass 2
100%
5Y31 +
9.5 fps (0%)
X264 HD Benchmark 4.0 - Pass 1
100%
5Y31 +
72 fps (27%)
TrueCrypt - Serpent Mean 100MB
0.1 GB/s (11%)
TrueCrypt - Twofish Mean 100MB
0.2 GB/s (7%)
TrueCrypt - AES Mean 100MB
100%
5Y31 +
1.2 GB/s (6%)
3DMark 06 - CPU
100%
5Y31 +
2589 Points (17%)
Super Pi mod 1.5 XS 1M *
100%
5Y31 +
15.9 Seconds (3%)
Super Pi mod 1.5 XS 2M *
100%
5Y31 +
36.3 Seconds (2%)
Super Pi Mod 1.5 XS 32M *
100%
5Y31 +
998.1 Seconds (4%)
3DMark Vantage - P CPU no PhysX 1280x1024
100%
5Y31 +
3111 Points (4%)
3DMark 11 - Performance Physics 1280x720
min: 1072     avg: 1931.7     median: 2311 (12%)     max: 2412 points
min: 1290     avg: 1738.5     median: 1738 (9%)     max: 2187 points
3DMark - Ice Storm Standard Physics 1280x720
min: 5814     avg: 14166     median: 14166 (9%)     max: 22518 Points
171%
5Y31 +
min: 21639     avg: 24194.5     median: 24194 (16%)     max: 26750 Points
3DMark - Ice Storm Extreme Physics 1920x1080
100%
5Y31 +
26675 Points (32%)
3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
28390 Points (33%)
101%
5Y31 +
28626 Points (33%)
3DMark - Cloud Gate Standard Physics 1280x720
min: 477     avg: 1210     median: 1210 (3%)     max: 1943 Points
176%
5Y31 +
min: 1874     avg: 2134     median: 2134 (5%)     max: 2394 Points
3DMark - Fire Strike Physics 1920x1080
min: 536     avg: 1697.5     median: 1697 (6%)     max: 2859 Points
177%
5Y31 +
min: 2662     avg: 3012     median: 3012 (10%)     max: 3362 Points
Geekbench 3 - 32 Bit Multi-Core Score
100%
5Y31 +
min: 3476     avg: 3821     median: 3821 (12%)     max: 4166 Points
Geekbench 3 - 32 Bit Single-Core Score
100%
5Y31 +
min: 2088     avg: 2179     median: 2179 (45%)     max: 2270 Points
Geekbench 3 - 64 Bit Multi-Core Score
100%
5Y31 +
4361 Points (12%)
Geekbench 3 - 64 Bit Single-Core Score
100%
5Y31 +
2428 Points (49%)
Mozilla Kraken 1.1 - Total Score *
2012 ms (3%)
min: 2660     avg: 2873.3     median: 2873 (5%)     max: 3085 ms
Sunspider - 1.0 Total Score *
min: 137     avg: 183.3     median: 156 (2%)     max: 284 ms
100%
5Y31 +
min: 145     avg: 183.5     median: 183 (2%)     max: 222 ms
Octane V2 - Total Score
min: 9879     avg: 14021.3     median: 15625 (30%)     max: 16560 Points
min: 10827     avg: 13362.5     median: 13362 (25%)     max: 15898 Points

Average Benchmarks Intel Core M-5Y10c → 100%

Average Benchmarks Intel Core M-5Y31 → 116%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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Redaktion, 2017-09- 8 (Update: 2017-09-11)