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.
Intel Core i 3000M Group AMD Ryzen 3000
3 Generation 3
Mobile Segment Desktop / Server
Intel Core i7-3840QM Name AMD Ryzen 9 3900XT
Intel Core i7 Extreme Edition Family AMD Ryzen 9
 
 

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.
8 Threads 24
4x Cores 12x
4 CPU Cores 12
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking Yes
3.8 GHz Turbo Frequency (1 core) 4.7 GHz
2.8 GHz Frequency 4.1 GHz
 
 

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.
128 Shaders --
Q1/2011 Release date --
22 nm Technology --
11.0 Direct X --
2.0 GB Max. GPU Memory 0 bytes
-- Max. displays --
16 Execution units --
0.65 GHz GPU frequency --
7 Generation --
1.3 GHz GPU (Turbo) --
Intel HD Graphics 4000 GPU name
 
 

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

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.
pci PCIe pci
Yes AES-NI Yes
DDR3L-1600, DDR3L-1333, DDR3-1333, DDR3-1600 Memory type DDR4-3200
No ECC Yes
32.0 GB Max. Memory 128.0 GB
2 Memory channels 2
25.6 GB/s Bandwidth 51.2 GB/s
 
 

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.
None TDP (PL2) 142 W
45 W TDP (PL1 / PBP) 105 W
105 °C Tjunction max 95 °C
 
 

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
VT-x, VT-x EPT Virtualization AMD-V, SVM
SSE4.1, SSE4.2, AVX ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
22 nm Technology 7 nm
Monolithic Chip design Chiplet
568 $ Release price --
Ivy Bridge H Architecture Matisse (Zen 2)
8.0 MB L3-Cache 64.0 MB
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
PGA 988 Socket AM4 (PGA 1331)
0 bytes L2-Cache 0 bytes
 
 

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