Intel Atom x7-Z8700 vs AMD Phenom II X2 B55

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CPU comparison with benchmarks


Intel Atom x7-Z8700 CPU1 vs CPU2 AMD Phenom II X2 B55
Intel Atom x7-Z8700 AMD Phenom II X2 B55

CPU comparison

In this CPU comparison, we compare the Intel Atom x7-Z8700 and the AMD Phenom II X2 B55 and use benchmarks to check which processor is faster.

We compare the Intel Atom x7-Z8700 4 core processor released in Q1/2015 with the AMD Phenom II X2 B55 which has 2 CPU cores and was introduced in Q4/2009.
Intel Atom (101) Family AMD Phenom II (52)
Intel Atom x3/x5/x7 (9) CPU group AMD Phenom II - 545 (9)
5 Generation 2
Cherry Trail Architecture Callisto (K10)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom x7-Z8700 is a 4 core processor with a clock frequency of 1.60 GHz (2.40 GHz). The processor can compute 4 threads at the same time. The AMD Phenom II X2 B55 clocks with 3.00 GHz, has 2 CPU cores and can calculate 2 threads in parallel.

Intel Atom x7-Z8700 Characteristic AMD Phenom II X2 B55
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? Yes
1.60 GHz Frequency 3.00 GHz
2.40 GHz Turbo Frequency (1 Core) --
2.40 GHz 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 Atom x7-Z8700 Characteristic AMD Phenom II X2 B55
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel HD Graphics 405 (16EU) GPU no iGPU
0.20 GHz GPU frequency --
0.60 GHz GPU (Turbo) --
8 GPU Generation --
14 nm Technology
3 Max. displays
16 Compute units --
128 Shader --
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory --
12 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 HD Graphics 405 (16EU) 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

Up to 8 GB of memory in a maximum of 2 memory channels is supported by the Intel Atom x7-Z8700, while the AMD Phenom II X2 B55 supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled.

Intel Atom x7-Z8700 Characteristic AMD Phenom II X2 B55
LPDDR3-1600 Memory DDR3-1333, DDR2-1066
8 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 --
2.00 MB L3 Cache 6.00 MB
2.0 PCIe version --
2 PCIe lanes --
1.0 GB/s PCIe Bandwidth --

Thermal Management

The Intel Atom x7-Z8700 has a TDP of 2 W. The TDP of the AMD Phenom II X2 B55 is 80 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom x7-Z8700 Characteristic AMD Phenom II X2 B55
2 W TDP (PL1 / PBP) 80 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Atom x7-Z8700 has 2.00 MB cache and is manufactured in 14 nm. The cache of AMD Phenom II X2 B55 is at 6.00 MB. The processor is manufactured in 45 nm.

Intel Atom x7-Z8700 Characteristic AMD Phenom II X2 B55
14 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE3, SSE4a
BGA 138 Socket AM3
VT-x, VT-x EPT Virtualization AMD-V
Yes AES-NI No
Operating systems Windows 10, Linux
Q1/2015 Release date Q4/2009
30 $ Release price --
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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 Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
1342 (69%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
1931 (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 Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
40 (51%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
79 (100%)

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 Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
145 (95%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
152 (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 Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
239 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 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 Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
838 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 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 Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
187 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 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 Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
584 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 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 Atom x7-Z8700 Intel Atom x7-Z8700
Intel HD Graphics 405 (16EU) @ 0.60 GHz
154 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Atom x7-Z8700 AMD Phenom II X2 B55
Unknown Unknown

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