Core 2 Extreme X7900 vs Xeon Silver 4108

Place in the ranking	1136	2705
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.04	no data
Market segment	Server	Laptop
Series	Intel Xeon Silver	Intel Core 2 Extreme
Power efficiency	6.25	1.50
Architecture codename	Skylake (server) (2017−2019)	Merom (2006−2008)
Release date	11 July 2017 (7 years ago)	1 September 2007 (17 years ago)
Launch price (MSRP)	$417	$851

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon Silver 4108 and Core 2 Extreme X7900 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	8 (Octa-Core)	2 (Dual-core)
Threads	16	2
Base clock speed	1.8 GHz	2.8 GHz
Boost clock speed	3 GHz	2.8 GHz
Bus rate	no data	800 MHz
Multiplier	18	no data
L1 cache	512 KB	128 KB
L2 cache	8 MB	4 MB
L3 cache	11 MB	0 KB
Chip lithography	14 nm	65 nm
Die size	no data	143 mm²
Maximum core temperature	77 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	+	-
VID voltage range	no data	1.1V-1.375V

Compatibility

Information on Xeon Silver 4108 and Core 2 Extreme X7900 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	2 (Multiprocessor)	1
Socket	FCLGA3647	PPGA478
Power consumption (TDP)	85 Watt	44 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4108 and Core 2 Extreme X7900. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	no data	-
Demand Based Switching	no data	-
Turbo Boost Max 3.0	-	no data
AMT	no data	+
FSB parity	no data	-

Security technologies

Xeon Silver 4108 and Core 2 Extreme X7900 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4108 and Core 2 Extreme X7900 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4108 and Core 2 Extreme X7900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR1
Maximum memory size	768 GB	no data
Max memory channels	6	no data
Maximum memory bandwidth	115.212 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4108 and Core 2 Extreme X7900.

PCIe version	3.0	no data
PCI Express lanes	48	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.

Xeon Silver 4108 5.80
+706%

Core 2 Extreme X7900 0.72

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.

Xeon Silver 4108 8909
+707%

Core 2 Extreme X7900 1104

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.

Xeon Silver 4108 837
+116%

Core 2 Extreme X7900 387

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.

Xeon Silver 4108 4394
+603%

Core 2 Extreme X7900 625

Gaming performance

Pros & cons summary

Performance score	5.80	0.72
Recency	11 July 2017	1 September 2007
Physical cores	8	2
Threads	16	2
Chip lithography	14 nm	65 nm
Power consumption (TDP)	85 Watt	44 Watt

Xeon Silver 4108 has a 705.6% higher aggregate performance score, an age advantage of 9 years, 300% more physical cores and 700% more threads, and a 364.3% more advanced lithography process.

Core 2 Extreme X7900, on the other hand, has 93.2% lower power consumption.

The Xeon Silver 4108 is our recommended choice as it beats the Core 2 Extreme X7900 in performance tests.

Be aware that Xeon Silver 4108 is a server/workstation processor while Core 2 Extreme X7900 is a notebook one.

Should you still have questions on choice between Xeon Silver 4108 and Core 2 Extreme X7900, ask them in Comments section, and we shall answer.