Intel Core i7-5557U vs AMD Phenom II X6 1045T

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CPU comparison with benchmarks


Intel Core i7-5557U CPU1 vs CPU2 AMD Phenom II X6 1045T
Intel Core i7-5557U AMD Phenom II X6 1045T

CPU comparison

Intel Core i7-5557U or AMD Phenom II X6 1045T - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i7-5557U has 2 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core i7-5557U was released in Q1/2015.

The AMD Phenom II X6 1045T has 6 cores with 6 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X6 1045T was released in Q3/2010.
Intel Core i7 (293) Family AMD Phenom II (52)
Intel Core i 5000U (16) CPU group AMD Phenom II - 1000 (7)
5 Generation 6
Broadwell U Architecture Thuban (K10)
Mobile Segment Desktop / Server
-- Predecessor --
Intel Core i7-6567U Successor --

CPU Cores and Base Frequency

The Intel Core i7-5557U has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i7-5557U is 3.10 GHz (3.40 GHz) while the AMD Phenom II X6 1045T has 6 CPU cores and 6 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X6 1045T is at 2.70 GHz (3.20 GHz).

Intel Core i7-5557U Characteristic AMD Phenom II X6 1045T
2 Cores 6
4 Threads 6
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
3.10 GHz Frequency 2.70 GHz
3.40 GHz Turbo Frequency (1 Core) 3.20 GHz
3.40 GHz Turbo Frequency (All Cores) 3.20 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i7-5557U Characteristic AMD Phenom II X6 1045T
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i7-5557U or AMD Phenom II X6 1045T has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel Iris Graphics 6100 GPU no iGPU
0.30 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
8 GPU Generation --
14 nm Technology
3 Max. displays
48 Compute units --
384 Shader --
No Hardware Raytracing No
No Frame Generation No
16 GB Max. GPU Memory --
11.2 DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel Iris Graphics 6100 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
Decode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

The Intel Core i7-5557U can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The AMD Phenom II X6 1045T supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

Intel Core i7-5557U Characteristic AMD Phenom II X6 1045T
DDR3-1866 Memory DDR3-1333, DDR2-1066
16 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
4.00 MB L3 Cache 6.00 MB
2.0 PCIe version --
12 PCIe lanes --
6.0 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core i7-5557U is 28 W, while the AMD Phenom II X6 1045T has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i7-5557U Characteristic AMD Phenom II X6 1045T
28 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i7-5557U is manufactured in 14 nm and has 4.00 MB cache. The AMD Phenom II X6 1045T is manufactured in 45 nm and has a 6.00 MB cache.

Intel Core i7-5557U Characteristic AMD Phenom II X6 1045T
14 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE3, SSE4a
BGA 1168 Socket AM3
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2015 Release date Q3/2010
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
3201 (63%)
AMD Phenom II X6 1045T AMD Phenom II X6 1045T
6C 6T @ 3.20 GHz
5075 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
139 (100%)
AMD Phenom II X6 1045T AMD Phenom II X6 1045T
6C 6T @ 3.20 GHz
80 (58%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
360 (83%)
AMD Phenom II X6 1045T AMD Phenom II X6 1045T
6C 6T @ 3.20 GHz
433 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
754 (100%)
AMD Phenom II X6 1045T AMD Phenom II X6 1045T
6C 6T @ 3.20 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
1823 (100%)
AMD Phenom II X6 1045T AMD Phenom II X6 1045T
6C 6T @ 3.20 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
1047 (100%)
AMD Phenom II X6 1045T AMD Phenom II X6 1045T
6C 6T @ 3.20 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
2187 (100%)
AMD Phenom II X6 1045T AMD Phenom II X6 1045T
6C 6T @ 3.20 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i7-5557U Intel Core i7-5557U
Intel Iris Graphics 6100 @ 1.10 GHz
845 (100%)
AMD Phenom II X6 1045T AMD Phenom II X6 1045T
@ 0.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.10 GHz
0 (0%)
AMD Phenom II X6 1045T AMD Phenom II X6 1045T
6C 6T @ 2.70 GHz
752 (100%)

Devices using this processor

Intel Core i7-5557U AMD Phenom II X6 1045T
Unknown Unknown

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