AMD A8-3870K vs Intel Pentium G3258

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CPU comparison with benchmarks


AMD A8-3870K CPU1 vs CPU2 Intel Pentium G3258
AMD A8-3870K Intel Pentium G3258

CPU comparison

AMD A8-3870K or Intel Pentium G3258 - 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 G3258 has 2 cores with 2 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Pentium G3258 was released in Q2/2014.
AMD A (112) Family Intel Pentium (150)
AMD A8-3000 (4) CPU group Intel Pentium G3000 (14)
1 Generation 5
Llano (K10) Architecture Haswell S
Desktop / Server Segment Desktop / Server
-- 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 G3258 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Pentium G3258 is at 3.20 GHz.

AMD A8-3870K Characteristic Intel Pentium G3258
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
3.10 GHz Frequency 3.20 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 G3258
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD A8-3870K or Intel Pentium G3258 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 (Haswell GT1)
0.60 GHz GPU frequency 0.35 GHz
-- GPU (Turbo) 1.15 GHz
3 GPU Generation 7.5
32 nm Technology 22 nm
2 Max. displays 3
5 Compute units 10
400 Shader 80
No Hardware Raytracing No
No Frame Generation No
1 GB Max. GPU Memory 2 GB
11 DirectX Version 11.1

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 (Haswell 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 G3258 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 G3258
DDR3-1600 Memory 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 Yes
-- L2 Cache --
4.00 MB L3 Cache 3.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD A8-3870K is 100 W, while the Intel Pentium G3258 has a TDP of 53 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD A8-3870K Characteristic Intel Pentium G3258
100 W TDP (PL1 / PBP) 53 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD A8-3870K is manufactured in 32 nm and has 4.00 MB cache. The Intel Pentium G3258 is manufactured in 14 nm and has a 3.00 MB cache.

AMD A8-3870K Characteristic Intel Pentium G3258
32 nm Technology 14 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 LGA 1150
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 Q2/2014
80 $ Release price 65 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks

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 (76%)
Intel Pentium G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
231 (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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
666 (100%)
Intel Pentium G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
443 (67%)

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 G3258 Intel Pentium G3258
Intel HD Graphics (Haswell GT1) @ 1.15 GHz
184 (38%)

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 G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
2062 (56%)

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 (60%)
Intel Pentium G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
129 (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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
302 (100%)
Intel Pentium G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
242 (80%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
0 (0%)
Intel Pentium G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
917 (100%)

Cinebench R23 (Multi-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 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 G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
2173 (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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
0 (0%)
Intel Pentium G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
721 (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 G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
1582 (100%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
0 (0%)
Intel Pentium G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
667 (100%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
0 (0%)
Intel Pentium G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
1396 (100%)

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.
AMD A8-3870K AMD A8-3870K
4C 4T @ 3.10 GHz
0 (0%)
Intel Pentium G3258 Intel Pentium G3258
2C 2T @ 3.20 GHz
685 (100%)

Devices using this processor

AMD A8-3870K Intel Pentium G3258
Unknown Unknown

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