Ryzen 9 7845HX vs Xeon E5-1603

Place in the ranking	1813	156
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Architecture codename	no data	Dragon Range-HX (Zen 4) (2023−2024)
Release date	1 January 2012 (12 years ago)	4 January 2023 (1 year ago)

Detailed specifications

Xeon E5-1603 and Ryzen 9 7845HX 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	4 (Quad-Core)	12 (Dodeca-Core)
Threads	4	24
Base clock speed	2.8 GHz	3 GHz
Boost clock speed	no data	5.2 GHz
Bus rate	0 GT/s	no data
L1 cache	no data	64K (per core)
L2 cache	no data	1 MB (per core)
L3 cache	10 MB	64 MB (shared)
Chip lithography	32 nm	CCD = 5 nm, I/O = 6 nm
Die size	no data	2x 71 mm²
Maximum core temperature	64 °C	100 °C
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+
VID voltage range	0.6V - 1.35V	no data

Compatibility

Information on Xeon E5-1603 and Ryzen 9 7845HX 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	1
Socket	FCLGA2011	FL1
Power consumption (TDP)	130 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1603 and Ryzen 9 7845HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
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
Demand Based Switching	+	no data
Status	Launched	no data
Precision Boost 2	no data	+

Security technologies

Xeon E5-1603 and Ryzen 9 7845HX 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 Xeon E5-1603 and Ryzen 9 7845HX 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 Xeon E5-1603 and Ryzen 9 7845HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR5
Maximum memory size	375 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	31.4 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1603 and Ryzen 9 7845HX.

PCIe version	3.0	5.0
PCI Express lanes	40	28

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 E5-1603 2.25

Ryzen 9 7845HX 29.58
+1215%

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 E5-1603 3463

Ryzen 9 7845HX 45536
+1215%

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 E5-1603 466

Ryzen 9 7845HX 2637
+466%

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 E5-1603 1474

Ryzen 9 7845HX 13724
+831%

Gaming performance

Pros & cons summary

Performance score	2.25	29.58
Recency	1 January 2012	4 January 2023
Physical cores	4	12
Threads	4	24
Power consumption (TDP)	130 Watt	55 Watt

Ryzen 9 7845HX has a 1214.7% higher aggregate performance score, an age advantage of 11 years, 200% more physical cores and 500% more threads, and 136.4% lower power consumption.

The Ryzen 9 7845HX is our recommended choice as it beats the Xeon E5-1603 in performance tests.

Be aware that Xeon E5-1603 is a server/workstation processor while Ryzen 9 7845HX is a notebook one.

Should you still have questions on choice between Xeon E5-1603 and Ryzen 9 7845HX, ask them in Comments section, and we shall answer.