Intel Core i7-11700B vs AMD Phenom II X4 925

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CPU comparison with benchmarks


Intel Core i7-11700B CPU1 vs CPU2 AMD Phenom II X4 925
Intel Core i7-11700B AMD Phenom II X4 925

CPU comparison

Intel Core i7-11700B or AMD Phenom II X4 925 - 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 i7-11700B has 8 cores with 16 threads and clocks with a maximum frequency of 5.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i7-11700B was released in Q2/2021.

The AMD Phenom II X4 925 has 4 cores with 4 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 X4 925 was released in Q2/2009.
Intel Core i7 (298) Family AMD Phenom II (52)
Intel Core i 11000H (17) CPU group AMD Phenom II - 800/900 (23)
11 Generation 4
Tiger Lake H Architecture Deneb (K10)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-11700B has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i7-11700B is 3.20 GHz (5.30 GHz) while the AMD Phenom II X4 925 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X4 925 is at 2.80 GHz.

Intel Core i7-11700B Characteristic AMD Phenom II X4 925
8 Cores 4
16 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
3.20 GHz Frequency 2.80 GHz
5.30 GHz Turbo Frequency (1 Core) --
4.00 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 Core i7-11700B Characteristic AMD Phenom II X4 925
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i7-11700B or AMD Phenom II X4 925 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 UHD Graphics 750 GPU no iGPU
0.35 GHz GPU frequency --
1.30 GHz GPU (Turbo) --
12 GPU Generation --
14 nm Technology
3 Max. displays
32 Compute units --
256 Shader --
No Hardware Raytracing No
No Frame Generation No
64 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 UHD Graphics 750 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i7-11700B can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 51.2 GB/s. The AMD Phenom II X4 925 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

Intel Core i7-11700B Characteristic AMD Phenom II X4 925
DDR4-3200 Memory DDR3-1333, DDR2-1066
128 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
4.00 MB L2 Cache --
16.00 MB L3 Cache 6.00 MB
4.0 PCIe version --
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core i7-11700B is 65 W, while the AMD Phenom II X4 925 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i7-11700B Characteristic AMD Phenom II X4 925
65 W TDP (PL1 / PBP) 95 W
224 W @ 56 s TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i7-11700B is manufactured in 10 nm and has 20.00 MB cache. The AMD Phenom II X4 925 is manufactured in 45 nm and has a 6.00 MB cache.

Intel Core i7-11700B Characteristic AMD Phenom II X4 925
10 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE3, SSE4a
LGA 1200 Socket AM3
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2021 Release date Q2/2009
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i7-11700B (100%)
AMD Phenom II X4 925 (19%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i7-11700B (100%)
AMD Phenom II X4 925 (13%)

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 i7-11700B Intel Core i7-11700B
8C 16T @ 5.30 GHz
1878 (100%)
AMD Phenom II X4 925 AMD Phenom II X4 925
4C 4T @ 2.80 GHz
354 (19%)

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 i7-11700B Intel Core i7-11700B
8C 16T @ 4.00 GHz
10074 (100%)
AMD Phenom II X4 925 AMD Phenom II X4 925
4C 4T @ 2.80 GHz
1126 (11%)

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 i7-11700B Intel Core i7-11700B
8C 16T @ 4.00 GHz
22764 (100%)
AMD Phenom II X4 925 AMD Phenom II X4 925
4C 4T @ 2.80 GHz
3489 (15%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 i7-11700B Intel Core i7-11700B
8C 16T @ 5.30 GHz
1663 (100%)
AMD Phenom II X4 925 AMD Phenom II X4 925
4C 4T @ 2.80 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 i7-11700B Intel Core i7-11700B
8C 16T @ 5.30 GHz
2265 (100%)
AMD Phenom II X4 925 AMD Phenom II X4 925
4C 4T @ 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 i7-11700B Intel Core i7-11700B
8C 16T @ 4.00 GHz
10050 (100%)
AMD Phenom II X4 925 AMD Phenom II X4 925
4C 4T @ 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 i7-11700B Intel Core i7-11700B
8C 16T @ 5.30 GHz
732 (100%)
AMD Phenom II X4 925 AMD Phenom II X4 925
4C 4T @ 2.80 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 i7-11700B Intel Core i7-11700B
Intel UHD Graphics 750 @ 1.30 GHz
666 (100%)
AMD Phenom II X4 925 AMD Phenom II X4 925
@ 0.00 GHz
0 (0%)

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 i7-11700B Intel Core i7-11700B
8C 16T @ 5.30 GHz
0 (0%)
AMD Phenom II X4 925 AMD Phenom II X4 925
4C 4T @ 2.80 GHz
74 (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 Core i7-11700B Intel Core i7-11700B
8C 16T @ 4.00 GHz
0 (0%)
AMD Phenom II X4 925 AMD Phenom II X4 925
4C 4T @ 2.80 GHz
284 (100%)

Devices using this processor

Intel Core i7-11700B AMD Phenom II X4 925
Unknown Unknown

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