Intel Core i3-5157U vs AMD Phenom II X3 720

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CPU comparison with benchmarks


Intel Core i3-5157U CPU1 vs CPU2 AMD Phenom II X3 720
Intel Core i3-5157U AMD Phenom II X3 720

CPU comparison

Intel Core i3-5157U or AMD Phenom II X3 720 - 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 i3-5157U has 2 cores with 4 threads and clocks with a maximum frequency of 2.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core i3-5157U was released in Q1/2015.

The AMD Phenom II X3 720 has 3 cores with 3 threads and clocks with a maximum frequency of 2.80 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X3 720 was released in Q1/2009.
Intel Core i3 (205) Family AMD Phenom II (52)
Intel Core i 5000U (16) CPU group AMD Phenom II - 700 (9)
5 Generation 3
Broadwell U Architecture Heka (K10)
Mobile Segment Desktop / Server
Intel Core i3-4158U Predecessor --
Intel Core i3-6157U Successor --

CPU Cores and Base Frequency

The Intel Core i3-5157U is a 2 core processor with a clock frequency of 2.50 GHz. The AMD Phenom II X3 720 has 3 CPU cores with a clock frequency of 2.80 GHz.
Intel Core i3-5157U Characteristic AMD Phenom II X3 720
2 Cores 3
4 Threads 3
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.50 GHz Frequency 2.80 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

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 i3-5157U Characteristic AMD Phenom II X3 720
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
Intel Iris Graphics 6100 GPU no iGPU
0.30 GHz GPU frequency --
1.00 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 i3-5157U supports a maximum of 16 GB of memory in 2 memory channels. The AMD Phenom II X3 720 can connect up to GB of memory in 2 memory channels.
Intel Core i3-5157U Characteristic AMD Phenom II X3 720
LPDDR3-1866, DDR3-1600 Memory DDR3-1333, DDR2-1066
16 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
29.9 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
3.00 MB L3 Cache 6.00 MB
2.0 PCIe version --
12 PCIe lanes --
6.0 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i3-5157U has a TDP of 28 W, that of the AMD Phenom II X3 720 is 95 W.
Intel Core i3-5157U Characteristic AMD Phenom II X3 720
28 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
23 W TDP down --
105 °C Tjunction max. --

Technical details

The Intel Core i3-5157U has a 3.00 MB cache, while the AMD Phenom II X3 720 cache has a total of 6.00 MB.
Intel Core i3-5157U Characteristic AMD Phenom II X3 720
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 Q1/2009
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i3-5157U (100%)
AMD Phenom II X3 720 (67%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i3-5157U (97%)
AMD Phenom II X3 720 (84%)

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 i3-5157U Intel Core i3-5157U
2C 4T @ 2.50 GHz
620 (100%)
AMD Phenom II X3 720 AMD Phenom II X3 720
3C 3T @ 2.80 GHz
379 (61%)

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 i3-5157U Intel Core i3-5157U
2C 4T @ 2.50 GHz
1398 (100%)
AMD Phenom II X3 720 AMD Phenom II X3 720
3C 3T @ 2.80 GHz
985 (70%)

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 i3-5157U Intel Core i3-5157U
2C 4T @ 2.50 GHz
2599 (92%)
AMD Phenom II X3 720 AMD Phenom II X3 720
3C 3T @ 2.80 GHz
2811 (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 i3-5157U Intel Core i3-5157U
2C 4T @ 2.50 GHz
102 (100%)
AMD Phenom II X3 720 AMD Phenom II X3 720
3C 3T @ 2.80 GHz
74 (73%)

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 i3-5157U Intel Core i3-5157U
2C 4T @ 2.50 GHz
263 (100%)
AMD Phenom II X3 720 AMD Phenom II X3 720
3C 3T @ 2.80 GHz
213 (81%)

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 i3-5157U Intel Core i3-5157U
2C 4T @ 2.50 GHz
793 (100%)
AMD Phenom II X3 720 AMD Phenom II X3 720
3C 3T @ 2.80 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 i3-5157U Intel Core i3-5157U
2C 4T @ 2.50 GHz
1583 (100%)
AMD Phenom II X3 720 AMD Phenom II X3 720
3C 3T @ 2.80 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 i3-5157U Intel Core i3-5157U
2C 4T @ 2.50 GHz
0 (0%)
AMD Phenom II X3 720 AMD Phenom II X3 720
3C 3T @ 2.80 GHz
159 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 i3-5157U Intel Core i3-5157U
2C 4T @ 2.50 GHz
0 (0%)
AMD Phenom II X3 720 AMD Phenom II X3 720
3C 3T @ 2.80 GHz
450 (100%)

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 i3-5157U Intel Core i3-5157U
Intel Iris Graphics 6100 @ 1.00 GHz
768 (100%)
AMD Phenom II X3 720 AMD Phenom II X3 720
@ 0.00 GHz
0 (0%)

Devices using this processor
Intel Core i3-5157U AMD Phenom II X3 720
Unknown Unknown

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