Intel Core i7-3840QM vs AMD Ryzen 9 3900XT

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-3840QM or Intel Core i7-3840QM – 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 i7-3840QM features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2012 and belongs to the 3 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-3840QM, you'll need a motherboard with a PGA 988 socket.
The AMD Ryzen 9 3900XT features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q2/2020 and belongs to the 3 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 3900XT, you'll need a motherboard with a AM4 (PGA 1331) socket.
Mobile Segment Desktop / Server
Intel Core i7-3840QM Name AMD Ryzen 9 3900XT
Intel Core i7 Extreme Edition Family AMD Ryzen 9
3 Generation 3
Intel Core i 3000M Group AMD Ryzen 3000
 
 

CPU Cores and Base Frequency

The Intel Core i7-3840QM has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-3840QM is 2.8 GHz
and turbo frequency for one core is 3.8 GHz.
The AMD Ryzen 9 3900XT has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 3900XT is 4.1 GHz
and turbo frequency for one core is 4.7 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
3.8 GHz Turbo Frequency (1 core) 4.7 GHz
Yes Overclocking Yes
normal Core architecture normal
2.8 GHz Frequency 4.1 GHz
8 Threads 24
Yes Hyperthreading Yes
4 CPU Cores 12
4x Cores 12x
 
 

Internal Graphics

The Intel Core i7-3840QM has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-3840QM uses the Intel HD Graphics 4000, which has 128 texture shaders
and 16 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD Ryzen 9 3900XT does not have integrated graphics.
0.65 GHz GPU frequency --
Q1/2011 Release date --
11.0 Direct X --
Intel HD Graphics 4000 GPU name
22 nm Technology --
-- Max. displays --
128 Shaders --
2.0 GB Max. GPU Memory 0 bytes
16 Execution units --
7 Generation --
1.3 GHz GPU (Turbo) --
 
 

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.
Decode / Encode AVC --
Decode VC-1 --
No VP9 --
No h265 / HEVC (10 bit) --
Decode / Encode h264 --
No VP8 --
No h265 / HEVC (8 bit) --
Decode JPEG --
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 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
32.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC Yes
25.6 GB/s Bandwidth 51.2 GB/s
DDR3L-1600, DDR3L-1333, DDR3-1333, DDR3-1600 Memory type DDR4-3200
 
 

Thermal Management

The processor has a thermal design power (TDP) of 45 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.
The processor has a thermal design power (TDP) of 105 W watts.
105 °C Tjunction max 95 °C
None TDP (PL2) 142 W
45 W TDP (PL1 / PBP) 105 W
 
 

Technical details

The Intel Core i7-3840QM is manufactured using a 22 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 9 3900XT is manufactured using a 7 nm process.
In total, this processor boasts a generous 64.0 MB cache.
Q3/2012 Release date Q2/2020
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT Virtualization AMD-V, SVM
SSE4.1, SSE4.2, AVX ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
Monolithic Chip design Chiplet
Ivy Bridge H Architecture Matisse (Zen 2)
22 nm Technology 7 nm
PGA 988 Socket AM4 (PGA 1331)
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
568 $ Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
8.0 MB L3-Cache 64.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
32790
32790
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
5911
5911

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
12974
12974
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
3089
3089

Geekbench 6 (Multi-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
10689
10689
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
2588
2588

CPU-Z Benchmark 17 (Multi-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
8118
8118
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
1699
1699

Geekbench 6 (Single-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
1719
1719
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
686
686

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
1414
1414
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
793
793