Intel Core i7-5650U vs Intel Core i7-5550U

Intel Core i7-5650U

► remove Intel 5650U

The Intel Core i7-5650U is an ULV (ultra low voltage) dual-core processor based on the Broadwell architecture, which has been launched in January 2015. In addition to two CPU cores with Hyper-Threading clocked at 2.2 - 3.2 GHz (2 Cores: 3.1 GHz), the chip also integrates an HD Graphics 6000 GPU and a dual-channel LPDDR3-1866/DDR3L-1600 memory controller. The Core i7 is manufactured in a 14 nm process with FinFET transistors.

Compared to the Core i7-5600U, the i7-5650U features a lower CPU base clock, but integrates a somewhat faster GPU.

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

Thanks to its improved architecture, the Core i7-5650U is about 5 - 20 percent faster than the slightly lower clocked Core i7-4650U (Haswell, 15 W) and matches the Core i5-4288U (Haswell, 28 W). Thus, the CPU has sufficient power even for demanding applications and multitasking.

Graphics

The integrated HD Graphics 6000 offers 48 Execution Units (EUs) clocked at 300 - 1000 MHz. Similar to the CPU core, the GPU architecture (Intel Gen 8) has been thoroughly revised for improved performance-per-clock. In addition, the GPU benefits from faster memory speeds up to LPDDR3-1866 (Haswell: DDR3-1600). We expect the HD Graphics 6000 to be significantly faster than the former HD Graphics 5000 (40 EUs), part of the Haswell generation. Nevertheless, demanding games as of 2015 should be playable only in low or medium settings.

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

The i7-5650U is rated at a TDP of 15 W (cTDP Down: 9.5 W) including the graphics card, memory controller, VRMs and the integrated chipset. Therefore, the CPU is suited even for small ultrabooks 11-inches and greater.

Intel Core i7-5550U

► remove Intel 5550U

The Intel Core i7-5550U is an ULV (ultra low voltage) dual-core processor based on the Broadwell architecture, which has been launched in January 2015. In addition to two CPU cores with Hyper-Threading clocked at 2.0 - 3.0 GHz (2 Cores: 2.9 GHz), the chip also integrates an HD Graphics 6000 GPU and a dual-channel LPDDR3-1866/DDR3L-1600 memory controller. The Core i7 is manufactured in a 14 nm process with FinFET transistors.

Compared to the Core i7-5500U, the i7-5550U features a lower CPU base clock, but integrates a somewhat faster GPU.

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

Thanks to its improved architecture, the Core i7-5550U ends up 5 - 15 percent faster than the slightly lower clocked Core i7-4550U (Haswell, 15 W) and matches the Core i5-4258U (Haswell, 28 W). Thus, the CPU has sufficient power for office and multimedia purposes as well as more demanding applications and multitasking.

Graphics

The integrated HD Graphics 6000 offers 48 Execution Units (EUs) clocked at 300 - 1000 MHz. Similar to the CPU core, the GPU architecture (Intel Gen 8) has been thoroughly revised for improved performance-per-clock. In addition, the GPU benefits from faster memory speeds up to LPDDR3-1866 (Haswell: DDR3-1600). We expect the HD Graphics 6000 to be significantly faster than the former HD Graphics 5000 (40 EUs), part of the Haswell generation. Nevertheless, demanding games as of 2015 should be playable only in low or medium settings.

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

The i7-5550U is rated at a TDP of 15 W (9.5 W cTDP Down) including the graphics card, memory controller, VRMs and the integrated chipset. Therefore, the CPU is suited even for small ultrabooks 11-inches and greater.

Intel Core i7-5650UIntel Core i7-5550U
Intel Core i7Intel Core i7
BroadwellBroadwell
: Core i7 Broadwell
Intel Core i7-5950HQ compare2.9 - 3.8 GHz4 / 86 MB
Intel Core i7-5850HQ compare2.7 - 3.6 GHz4 / 86 MB
Intel Core i7-5700HQ compare2.7 - 3.5 GHz4 / 86 MB
Intel Core i7-5750HQ compare2.5 - 3.4 GHz4 / 86 MB
Intel Core i7-5557U compare3.1 - 3.4 GHz2 / 44 MB
Intel Core i7-5600U compare2.6 - 3.2 GHz2 / 44 MB
» Intel Core i7-5650U2.2 - 3.2 GHz2 / 44 MB
Intel Core i7-5500U compare2.4 - 3 GHz2 / 44 MB
Intel Core i7-5550U2 - 3 GHz2 / 44 MB
Intel Core i7-5950HQ compare2.9 - 3.8 GHz4 / 86 MB
Intel Core i7-5850HQ compare2.7 - 3.6 GHz4 / 86 MB
Intel Core i7-5700HQ compare2.7 - 3.5 GHz4 / 86 MB
Intel Core i7-5750HQ compare2.5 - 3.4 GHz4 / 86 MB
Intel Core i7-5557U compare3.1 - 3.4 GHz2 / 44 MB
Intel Core i7-5600U compare2.6 - 3.2 GHz2 / 44 MB
Intel Core i7-5650U2.2 - 3.2 GHz2 / 44 MB
Intel Core i7-5500U compare2.4 - 3 GHz2 / 44 MB
» Intel Core i7-5550U2 - 3 GHz2 / 44 MB
2200 - 3200 MHz2000 - 3000 MHz
128 KB128 KB
512 KB512 KB
4 MB4 MB
2 / 42 / 4
15 15
1900 1900
14 14
133 mm2133 mm2
105 °C105 °C
BGABGA
LPDDR3-1866/DDR3L-1600 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, vPro, AES-NILPDDR3-1866/DDR3L-1600 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
iGPUIntel HD Graphics 6000 (300 - 1000 MHz)Intel HD Graphics 6000 (300 - 1000 MHz)
Architecturex86x86
$426 U.S.$426 U.S.
Intel Core i7 5650UIntel Core i7 5550U

Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
100%
1 5650U +
296 Points (7%)
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
100%
1 5650U +
112 Points (41%)
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
3.1 Points (6%)
3.3 Points (7%)
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
1.5 Points (47%)
1.3 Points (42%)
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
100%
1 5650U +
4980 (51%)
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
100%
1 5650U +
10008 (17%)
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
100%
1 5650U +
12273 Points (12%)
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
100%
1 5650U +
6646 Points (50%)
wPrime 2.10 - wPrime 2.0 1024m *
100%
1 5650U +
517 s (6%)
wPrime 2.10 - wPrime 2.0 32m *
100%
1 5650U +
15.9 s (3%)
WinRAR - WinRAR 4.0
100%
1 5650U +
2513 (16%)
X264 HD Benchmark 4.0 - x264 Pass 2
100%
1 5650U +
19 fps (9%)
X264 HD Benchmark 4.0 - x264 Pass 1
100%
1 5650U +
107 fps (32%)
TrueCrypt - TrueCrypt Serpent
100%
1 5650U +
0.2 GB/s (0%)
TrueCrypt - TrueCrypt Twofish
100%
1 5650U +
0.3 GB/s (0%)
TrueCrypt - TrueCrypt AES
100%
1 5650U +
1.9 GB/s (0%)
3DMark 06 - CPU - 3DMark 06 - CPU
100%
1 5650U +
3967 Points (22%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
100%
1 5650U +
11 s (2%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
100%
1 5650U +
27 s (1%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
100%
1 5650U +
621 s (3%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
100%
1 5650U +
10620 Points (12%)
3DMark 11 - 3DM11 Performance Physics
3800 Points (16%)
3470 Points (15%)
3DMark - 3DMark Ice Storm Physics
100%
1 5650U +
39175 Points (25%)
3DMark - 3DMark Cloud Gate Physics
100%
1 5650U +
3631 Points (9%)
3DMark - 3DMark Fire Strike Standard Physics
100%
1 5650U +
5189 Points (13%)
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
100%
1 5650U +
6406 (11%)
Geekbench 3 - Geekbench 3 32 Bit Single-Core
100%
1 5650U +
3053 (63%)

Average Benchmarks Intel Core i7-5650U → 100% n=3

Average Benchmarks Intel Core i7-5550U → 95% n=3

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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)