Phenom II X4 B97 vs i9-7940X

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Aggregate performance score

Core i9-7940X
2017
14 cores / 28 threads, 165 Watt
14.52
+908%

Core i9-7940X outperforms Phenom II X4 B97 by a whopping 908% based on our aggregate benchmark results.

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking5102311
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.412.36
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Power efficiency3.730.64
DesignerIntelAMD
ManufacturerIntelno data
Architecture codenameSkylake (server) (2017−2018)Deneb (2009−2011)
Release date30 May 2017 (8 years ago)11 May 2010 (15 years ago)
Launch price (MSRP)$1,399$100

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7940X has 2% better value for money than Phenom II X4 B97.

Performance to price scatter graph

Detailed specifications

Core i9-7940X and Phenom II X4 B97 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 cores14 (Tetradeca-Core)4 (Quad-Core)
Threads284
Base clock speed3.1 GHz3.2 GHz
Boost clock speed4.4 GHz3.2 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
L1 cache896 KB128 KB (per core)
L2 cache14 MB512 KB (per core)
L3 cache19.25 MB (shared)6 MB (shared)
Chip lithography14 nm45 nm
Die size484 mm2258 mm2
Maximum core temperature102 °Cno data
Number of transistorsno data758 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-7940X and Phenom II X4 B97 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
SocketFCLGA2066AM3
Power consumption (TDP)165 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and Phenom II X4 B97. 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+-
Turbo Boost Max 3.0+no data

Security technologies

Core i9-7940X and Phenom II X4 B97 technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X and Phenom II X4 B97 are enumerated here.

VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7940X and Phenom II X4 B97. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR3
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 i9-7940X and Phenom II X4 B97.

PCIe version3.02.0
PCI Express lanes44no 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.

i9-7940X 14.52
+908%
Phenom II X4 B97 1.44

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. Other than that, Passmark measures multi-core performance.

i9-7940X 25611
+910%
Phenom II X4 B97 2535

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i9-7940X 1445
+338%
Phenom II X4 B97 330

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i9-7940X 10516
+1010%
Phenom II X4 B97 947

Gaming performance

Pros & cons summary


Performance score 14.52 1.44
Recency 30 May 2017 11 May 2010
Physical cores 14 4
Threads 28 4
Chip lithography 14 nm 45 nm
Power consumption (TDP) 165 Watt 95 Watt

i9-7940X has a 908.3% higher aggregate performance score, an age advantage of 7 years, 250% more physical cores and 600% more threads, and a 221.4% more advanced lithography process.

Phenom II X4 B97, on the other hand, has 73.7% lower power consumption.

The Intel Core i9-7940X is our recommended choice as it beats the AMD Phenom II X4 B97 in performance tests.

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Intel Core i9-7940X
Core i9-7940X
AMD Phenom II X4 B97
Phenom II X4 B97

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Community ratings

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