Phenom X4 9850B vs i7-7800X

Aggregate performance score

Core i7-7800X
2017
6 cores / 12 threads, 140 Watt
8.25
+560%
Phenom X4 9850B
2008
4 cores / 4 threads, 95 Watt
1.25

Core i7-7800X outperforms Phenom X4 9850B by a whopping 560% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7800X and Phenom X4 9850B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking9242313
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.14no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7no data
Power efficiency5.471.22
Architecture codenameSkylake (server) (2017−2019)Agena (2007−2008)
Release date30 May 2017 (7 years ago)August 2008 (16 years ago)
Launch price (MSRP)$383no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7800X and Phenom X4 9850B basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores6 (Hexa-Core)4 (Quad-Core)
Threads124
Base clock speed3.5 GHzno data
Boost clock speed4 GHz2.5 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier35no data
L1 cache384 KB128 KB (per core)
L2 cache6 MB512 KB (per core)
L3 cache8.25 MB (shared)2 MB (shared)
Chip lithography14 nm65 nm
Die sizeno data285 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data450 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i7-7800X and Phenom X4 9850B compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCLGA2066AM2+
Power consumption (TDP)140 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7800X and Phenom X4 9850B. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-

Security technologies

Core i7-7800X and Phenom X4 9850B technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7800X and Phenom X4 9850B are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7800X and Phenom X4 9850B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400no data
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i7-7800X and Phenom X4 9850B.

PCIe version3.0no data
PCI Express lanes28no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-7800X 8.25
+560%
Phenom X4 9850B 1.25

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-7800X 12865
+561%
Phenom X4 9850B 1946

Gaming performance

Pros & cons summary


Performance score 8.25 1.25
Physical cores 6 4
Threads 12 4
Chip lithography 14 nm 65 nm
Power consumption (TDP) 140 Watt 95 Watt

i7-7800X has a 560% higher aggregate performance score, 50% more physical cores and 200% more threads, and a 364.3% more advanced lithography process.

Phenom X4 9850B, on the other hand, has 47.4% lower power consumption.

The Core i7-7800X is our recommended choice as it beats the Phenom X4 9850B in performance tests.


Should you still have questions on choice between Core i7-7800X and Phenom X4 9850B, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i7-7800X
Core i7-7800X
AMD Phenom X4 9850B
Phenom X4 9850B

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Community ratings

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Questions & comments

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