Intel Core i5-2500k vs AMD Phenom II X4 850

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-2500k or Intel Core i5-2500k – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i5-2500k features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2011 and belongs to the 2 generation of the Intel Core i5 series.
To use the Intel Core i5-2500k, you'll need a motherboard with a LGA 1155 socket.
The AMD Phenom II X4 850 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q2/2011 and belongs to the 5 generation of the AMD Phenom II series.
To use the AMD Phenom II X4 850, you'll need a motherboard with a AM3 socket.
Intel Core i 2000 Group AMD Phenom II - 840/850
2 Generation 5
Intel Core i5-2500k Name AMD Phenom II X4 850
Desktop / Server Segment Desktop / Server
Intel Core i5 Family AMD Phenom II
 
 

CPU Cores and Base Frequency

The Intel Core i5-2500k has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i5-2500k is 3.3 GHz
and turbo frequency for one core is 3.7 GHz.
The AMD Phenom II X4 850 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Phenom II X4 850 is 3.3 GHz
3.7 GHz Turbo Frequency (all cores) None
3.7 GHz Turbo Frequency (1 core) None
normal Core architecture normal
3.3 GHz Frequency 3.3 GHz
4 CPU Cores 4
Yes Overclocking Yes
No Hyperthreading No
4x Cores 4x
4 Threads 4
 
 

Internal Graphics

The Intel Core i5-2500k has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-2500k uses the Intel HD Graphics 3000, which has 96 texture shaders
and 12 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD Phenom II X4 850 does not have integrated graphics.
1.1 GHz GPU (Turbo) --
32 nm Technology --
10.1 Direct X --
2.0 GB Max. GPU Memory 0 bytes
12 Execution units --
Q1/2011 Release date --
Intel HD Graphics 3000 GPU name
96 Shaders --
0.85 GHz GPU frequency --
6 Generation --
-- Max. displays --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

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.
No h265 / HEVC (8 bit) --
No VP9 --
No VP8 --
Decode VC-1 --
No JPEG --
Decode / Encode h264 --
No h265 / HEVC (10 bit) --
Decode / Encode AVC --
No AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
DDR3-1333 Memory type DDR3-1333, DDR2-1066
21.3 GB/s Bandwidth --
Yes AES-NI No
No ECC No
pci PCIe pci
32.0 GB Max. Memory 0 bytes
2 Memory channels 2
 
 

Thermal Management

The processor has a thermal design power (TDP) of 95 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
95 W TDP (PL1 / PBP) 95 W
-- Tjunction max --
 
 

Technical details

The Intel Core i5-2500k is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 6.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Phenom II X4 850 is manufactured using a 45 nm process.
In total, this processor boasts a generous 2.0 MB cache.
VT-x, VT-x EPT Virtualization AMD-V
32 nm Technology 45 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE3, SSE4a
-- Part Number --
Monolithic Chip design --
Q1/2011 Release date Q2/2011
-- Release price --
0 bytes L2-Cache 0 bytes
Technical data sheet Documents Technical data sheet
6.0 MB L3-Cache 2.0 MB
LGA 1155 Socket AM3
Windows 10, Linux Operating systems Windows 10, Linux
Sandy Bridge S Architecture Propus
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i5-2500k
4C 4T @ 3.3 GHz
9970
9970
AMD Phenom II X4 850
4C 4T @ 3.3 GHz
6171
6171

Geekbench 3, 64bit (Single-Core)

Intel Core i5-2500k
4C 4T @ 3.3 GHz
3158
3158
AMD Phenom II X4 850
4C 4T @ 3.3 GHz
1762
1762

Geekbench 5, 64bit (Multi-Core)

Intel Core i5-2500k
4C 4T @ 3.3 GHz
2537
2537
AMD Phenom II X4 850
4C 4T @ 3.3 GHz
1507
1507

Cinebench R15 (Multi-Core)

Intel Core i5-2500k
4C 4T @ 3.3 GHz
461
461
AMD Phenom II X4 850
4C 4T @ 3.3 GHz
334
334