Xeon W-3345 vs i7-640M

Place in the ranking	2266	157
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i7	no data
Power efficiency	3.52	10.89
Architecture codename	Arrandale (2010−2011)	Ice Lake-W (2021)
Release date	13 September 2010 (14 years ago)	29 July 2021 (3 years ago)
Launch price (MSRP)	$346	no data

Detailed specifications

Core i7-640M and Xeon W-3345 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)	24 (Tetracosa-Core)
Threads	4	48
Base clock speed	2.8 GHz	3 GHz
Boost clock speed	3.46 GHz	4 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	8 GT/s
Multiplier	21	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	4 MB (shared)	36 MB (shared)
Chip lithography	32 nm	10 nm
Die size	81+114 mm²	no data
Maximum core temperature	105 °C	no data
Maximum case temperature (TCase)	no data	81 °C
Number of transistors	382 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i7-640M and Xeon W-3345 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)	2
Socket	BGA1288,PGA988	FCLGA4189
Power consumption (TDP)	35 Watt	250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640M and Xeon W-3345. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® AVX-512
AES-NI	+	+
FMA	+	-
AVX	-	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	+	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
PAE	36 Bit	no data
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Core i7-640M and Xeon W-3345 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640M and Xeon W-3345 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640M and Xeon W-3345. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	8 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	17.051 GB/s	no data
ECC memory support	-	+

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	766 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-640M and Xeon W-3345 integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-640M and Xeon W-3345.

PCIe version	2.0	4
PCI Express lanes	16	64

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.

i7-640M 1.30

Xeon W-3345 28.77
+2113%

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.

i7-640M 2070

Xeon W-3345 45694
+2107%

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.

i7-640M 426

Xeon W-3345 1460
+243%

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.

i7-640M 805

Xeon W-3345 13695
+1601%

Gaming performance

Pros & cons summary

Performance score	1.30	28.77
Recency	13 September 2010	29 July 2021
Physical cores	2	24
Threads	4	48
Chip lithography	32 nm	10 nm
Power consumption (TDP)	35 Watt	250 Watt

i7-640M has 614.3% lower power consumption.

Xeon W-3345, on the other hand, has a 2113.1% higher aggregate performance score, an age advantage of 10 years, 1100% more physical cores and 1100% more threads, and a 220% more advanced lithography process.

The Xeon W-3345 is our recommended choice as it beats the Core i7-640M in performance tests.

Be aware that Core i7-640M is a notebook processor while Xeon W-3345 is a server/workstation one.

Should you still have questions on choice between Core i7-640M and Xeon W-3345, ask them in Comments section, and we shall answer.