FX-8100 vs i7-640UM

Place in the ranking	2656	1736
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i7	no data
Power efficiency	3.89	2.54
Architecture codename	Arrandale (2010−2011)	Zambezi (2011−2012)
Release date	7 January 2010 (14 years ago)	12 October 2011 (13 years ago)
Launch price (MSRP)	$305	no data

Detailed specifications

Core i7-640UM and FX-8100 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 cores	2 (Dual-core)	8 (Octa-Core)
Threads	4	8
Base clock speed	1.2 GHz	2.8 GHz
Boost clock speed	2.27 GHz	3.7 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	9	no data
L1 cache	64 KB (per core)	384 KB
L2 cache	256 KB (per core)	8 MB
L3 cache	4 MB (shared)	8 MB (shared)
Chip lithography	32 nm	32 nm
Die size	81+114 mm²	315 mm²
Maximum core temperature	105 °C	no data
Number of transistors	382+177 Million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Core i7-640UM and FX-8100 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 configuration	1 (Uniprocessor)	1
Socket	BGA1288	AM3+
Power consumption (TDP)	18 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640UM and FX-8100. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	+
FMA	+	+
AVX	-	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-640UM and FX-8100 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640UM and FX-8100 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640UM and FX-8100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800	DDR3
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	12.799 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for Previous Generation Intel Processors	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	500 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-640UM and FX-8100 integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-640UM and FX-8100.

PCIe version	2.0	2.0
PCI Express lanes	16	no 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.

i7-640UM 0.74

FX-8100 2.55
+245%

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.

i7-640UM 1183

FX-8100 4055
+243%

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.

i7-640UM 226

FX-8100 411
+81.9%

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.

i7-640UM 442

FX-8100 1819
+312%

Gaming performance

Pros & cons summary

Performance score	0.74	2.55
Recency	7 January 2010	12 October 2011
Physical cores	2	8
Threads	4	8
Power consumption (TDP)	18 Watt	95 Watt

i7-640UM has 427.8% lower power consumption.

FX-8100, on the other hand, has a 244.6% higher aggregate performance score, an age advantage of 1 year, and 300% more physical cores and 100% more threads.

The FX-8100 is our recommended choice as it beats the Core i7-640UM in performance tests.

Be aware that Core i7-640UM is a notebook processor while FX-8100 is a desktop one.

Should you still have questions on choice between Core i7-640UM and FX-8100, ask them in Comments section, and we shall answer.