AMD A8-3870K vs Intel Pentium 2129Y

Last updated:

CPU comparison with benchmarks


AMD A8-3870K CPU1 vs CPU2 Intel Pentium 2129Y
AMD A8-3870K Intel Pentium 2129Y

CPU comparison

AMD A8-3870K or Intel Pentium 2129Y - 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 AMD A8-3870K has 4 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A8-3870K was released in Q4/2011.

The Intel Pentium 2129Y has 2 cores with 2 threads and clocks with a maximum frequency of 1.10 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Pentium 2129Y was released in Q1/2013.
AMD A (112) Family Intel Pentium (150)
AMD A8-3000 (4) CPU group Intel Pentium 2000 (5)
1 Generation 4
Llano (K10) Architecture Ivy Bridge U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A8-3870K has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD A8-3870K is 3.10 GHz while the Intel Pentium 2129Y has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Pentium 2129Y is at 1.10 GHz.

AMD A8-3870K Characteristic Intel Pentium 2129Y
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
3.10 GHz Frequency 1.10 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.

AMD A8-3870K Characteristic Intel Pentium 2129Y
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD A8-3870K or Intel Pentium 2129Y 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.

AMD Radeon HD 6550D GPU Intel HD Graphics (Ivy Bridge GT1)
0.60 GHz GPU frequency 0.35 GHz
-- GPU (Turbo) 0.85 GHz
3 GPU Generation 7
32 nm Technology 22 nm
2 Max. displays 3
5 Compute units 6
400 Shader 48
No Hardware Raytracing No
No Frame Generation No
1 GB Max. GPU Memory 2 GB
11 DirectX Version 11.0

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.

AMD Radeon HD 6550D GPU Intel HD Graphics (Ivy Bridge GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

The AMD A8-3870K can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Pentium 2129Y supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.

AMD A8-3870K Characteristic Intel Pentium 2129Y
DDR3-1600 Memory DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600
Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
4.00 MB L3 Cache 2.00 MB
-- PCIe version 2.0
-- PCIe lanes 16
-- PCIe Bandwidth 8.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD A8-3870K is 100 W, while the Intel Pentium 2129Y has a TDP of 10 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD A8-3870K Characteristic Intel Pentium 2129Y
100 W TDP (PL1 / PBP) 10 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The AMD A8-3870K is manufactured in 32 nm and has 4.00 MB cache. The Intel Pentium 2129Y is manufactured in 22 nm and has a 2.00 MB cache.

AMD A8-3870K Characteristic Intel Pentium 2129Y
32 nm Technology 22 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2
FM1 Socket BGA 1023
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2011 Release date Q1/2013
80 $ Release price --
show more data show more data


Rate these processors

Here you can rate the AMD A8-3870K to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the Intel Pentium 2129Y to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

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.
AMD A8-3870K AMD A8-3870K
AMD Radeon HD 6550D @ 0.60 GHz
480 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
Intel HD Graphics (Ivy Bridge GT1) @ 0.85 GHz
82 (17%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
3684 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
587 (16%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
0 (0%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
218 (100%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
0 (0%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
413 (100%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
176 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
0 (0%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
666 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
77 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
0 (0%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
302 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
0 (0%)

Devices using this processor

AMD A8-3870K Intel Pentium 2129Y
Unknown Unknown

Popular comparisons containing this CPUs

1. AMD A6-3500AMD A8-3870K AMD A6-3500 vs AMD A8-3870K
2. AMD A6-3600AMD A8-3870K AMD A6-3600 vs AMD A8-3870K
3. AMD A6-3650AMD A8-3870K AMD A6-3650 vs AMD A8-3870K
4. AMD A10-6800KAMD A8-3870K AMD A10-6800K vs AMD A8-3870K
5. AMD A8-3870KIntel Core i5-6300HQ AMD A8-3870K vs Intel Core i5-6300HQ
6. AMD A8-3870KAMD Athlon II X4 740 AMD A8-3870K vs AMD Athlon II X4 740
7. Intel Core i3-3210AMD A8-3870K Intel Core i3-3210 vs AMD A8-3870K
8. AMD Phenom II X4 965AMD A8-3870K AMD Phenom II X4 965 vs AMD A8-3870K
9. Intel Core i3-3220AMD A8-3870K Intel Core i3-3220 vs AMD A8-3870K
10. AMD A10-7850KAMD A8-3870K AMD A10-7850K vs AMD A8-3870K


back to index