Intel Core M-5Y70 vs Intel Core M-5Y10a

Intel Core M-5Y70

► remove Intel 5Y70

The Intel Core M-5Y70 is an ULV (ultra-low voltage) dual-core SoC based on the Broadwell architecture launched in September 2014. Thanks to its TDP of just 4.5 W (configurable), the CPU is suited also for passively cooled tablets and 2-in-1 notebooks. In addition to two CPU cores with Hyper-Threading clocked at 1.1 - 2.6 GHz, the chip integrates an HD Graphics 5300 GPU and a dual-channel LPDDR3/DDR3L(-RS) memory controller up to 25.6 GB/s. The Core M 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-5Y70 offers a very wide turbo range from 1.1 - 2.6 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 begins 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-5Y70 is 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 100 - 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 is also limited by the TDP, which prevents significant performance boosts over the older HD 4200 under continuous 3D load. Only a few games as of 2014 are 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 officially supported.

Power Consumption

With a TDP of only 4.5 W, the Core M-5Y70 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, affacting clock rates and performance. The CPU can be passively cooled even in thin tablets.

Intel Core M-5Y10a

► remove Intel 5Y10a

The Intel Core M-5Y10a is an ULV (ultra-low voltage) dual-core SoC based on the Broadwell architecture launched in September 2014. Thanks to its TDP of just 4.5 W, 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-5Y10a offers a very wide turbo range from 0.8- 2.0 GHz; however, the actual frequency is largely limited by the TDP. Under continuous full load, the core clock will begin to degrade. Overall, the performance is similar to a Core i3-4030U (Haswell, 15 W) and 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 100 - 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 is also limited by the TDP, which prevents significant performance boosts over the older HD 4200. Only a few games as of 2014 are 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 officially supported.

Power Consumption

With a TDP of only 4.5 W, the Core M-5Y10a draws noticeably less power than the Haswell Y-series (11.5 W). The CPU can be passively cooled even in thin tablets.

Intel Core M-5Y70Intel Core M-5Y10a
Intel Core MIntel Core M
BroadwellBroadwell
: Core M Broadwell
Intel Core M-5Y71 compare1.2 - 2.9 GHz2 / 44 MB
Intel Core M-5Y51 compare1.1 - 2.6 GHz2 / 44 MB
» Intel Core M-5Y701.1 - 2.6 GHz2 / 44 MB
Intel Core M-5Y31 compare0.9 - 2.4 GHz2 / 44 MB
Intel Core M-5Y10c compare0.8 - 2 GHz2 / 44 MB
Intel Core M-5Y10a0.8 - 2 GHz2 / 44 MB
Intel Core M-5Y10 compare0.8 - 2 GHz2 / 44 MB
Intel Core M-5Y71 compare1.2 - 2.9 GHz2 / 44 MB
Intel Core M-5Y51 compare1.1 - 2.6 GHz2 / 44 MB
Intel Core M-5Y701.1 - 2.6 GHz2 / 44 MB
Intel Core M-5Y31 compare0.9 - 2.4 GHz2 / 44 MB
Intel Core M-5Y10c compare0.8 - 2 GHz2 / 44 MB
» Intel Core M-5Y10a0.8 - 2 GHz2 / 44 MB
Intel Core M-5Y10 compare0.8 - 2 GHz2 / 44 MB
1100 - 2600 MHz800 - 2000 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
BGABGA
HD Graphics 5300 (100 - 850 MHz), Dual-Channel DDR3L(-RS)/LPDDR3 Memory Controller (max. 800 MHz, 25.6 GB/s), HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI, vProHD Graphics 5300 (100 - 800 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 (100 - 850 MHz)Intel HD Graphics 5300 (100 - 800 MHz)
Architecturex86x86
Intel Core M 5Y70Intel Core M 5Y10a

Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
100%
5Y70 +
min: 180     avg: 182     median: 182 (4%)     max: 184 Points
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
100%
5Y70 +
min: 90     avg: 91     median: 91 (33%)     max: 92 Points
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
100%
5Y70 +
min: 1.89     avg: 2.2     median: 2.1 (4%)     max: 2.65 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
100%
5Y70 +
min: 1.06     avg: 1.1     median: 1.1 (35%)     max: 1.13 Points
0.9 Points (30%)
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
100%
5Y70 +
min: 3629     avg: 3741     median: 3741 (33%)     max: 3853
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
100%
1 5Y70 +
min: 5977     avg: 6375     median: 6375 (11%)     max: 6773
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
100%
1 5Y70 +
8939 Points (9%)
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
100%
1 5Y70 +
5195 Points (39%)
wPrime 2.10 - wPrime 2.0 1024m *
100%
1 5Y70 +
981 s (12%)
wPrime 2.10 - wPrime 2.0 32m *
100%
1 5Y70 +
19.3 s (4%)
WinRAR - WinRAR 4.0
100%
1 5Y70 +
2385 (15%)
X264 HD Benchmark 4.0 - x264 Pass 2
100%
1 5Y70 +
11.6 fps (5%)
X264 HD Benchmark 4.0 - x264 Pass 1
100%
1 5Y70 +
91.4 fps (27%)
TrueCrypt - TrueCrypt Serpent
100%
1 5Y70 +
0.1 GB/s (0%)
TrueCrypt - TrueCrypt Twofish
100%
1 5Y70 +
0.3 GB/s (0%)
TrueCrypt - TrueCrypt AES
100%
1 5Y70 +
1.6 GB/s (0%)
3DMark 06 - CPU - 3DMark 06 - CPU
100%
1 5Y70 +
2386 Points (13%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
100%
1 5Y70 +
14.6 s (3%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
100%
1 5Y70 +
33 s (1%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
100%
1 5Y70 +
837 s (4%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
100%
1 5Y70 +
5992 Points (7%)
3DMark 11 - 3DM11 Performance Physics
100%
5Y70 +
min: 2320     avg: 2371     median: 2373 (10%)     max: 2419 Points
2605 Points (11%)
3DMark - 3DMark Ice Storm Physics
100%
5Y70 +
min: 20946     avg: 22531     median: 22277 (14%)     max: 24369 Points
25450 Points (16%)
3DMark - 3DMark Ice Storm Unlimited Physics
100%
1 5Y70 +
35144 Points (36%)
3DMark - 3DMark Cloud Gate Physics
100%
5Y70 +
min: 1531     avg: 1993     median: 2207 (6%)     max: 2242 Points
1948 Points (5%)
3DMark - 3DMark Fire Strike Standard Physics
100%
5Y70 +
min: 2464     avg: 2575     median: 2602 (7%)     max: 2660 Points
2747 Points (7%)
Geekbench 2 - 32 Bit - Geekbench Stream
100%
1 5Y70 +
7151 Points (58%)
Geekbench 2 - 32 Bit - Geekbench Memory
100%
1 5Y70 +
5799 Points (53%)
Geekbench 2 - 32 Bit - Geekbench Floating Point
100%
1 5Y70 +
5147 Points (10%)
Geekbench 2 - 32 Bit - Geekbench Integer
100%
1 5Y70 +
5488 Points (11%)
Geekbench 2 - 32 Bit - Geekbench Total Score
100%
1 5Y70 +
5597 Points (15%)
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
100%
1 5Y70 +
min: 3795     avg: 4150     median: 4150 (7%)     max: 4505
Geekbench 3 - Geekbench 3 32 Bit Single-Core
100%
1 5Y70 +
min: 2249     avg: 2378     median: 2378 (49%)     max: 2507
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
100%
5Y70 +
min: 1586.4     avg: 1870     median: 1799.9 (3%)     max: 2222.8 ms
Sunspider - Sunspider 1.0 Total Score *
100%
5Y70 +
min: 104.7     avg: 140     median: 120.6 (1%)     max: 195.1 ms
Octane V2 - Octane V2 Total Score
100%
5Y70 +
min: 11188     avg: 17293     median: 16925 (28%)     max: 23767 Points
9503 Points (16%)

Average Benchmarks Intel Core M-5Y70 → 100% n=12

Average Benchmarks Intel Core M-5Y10a → 94% n=12

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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)