Ryzen Z1 Extreme vs i5-2557M

Place in the ranking	2403	424
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	Phoenix (Zen 4, Ryzen 7040)
Power efficiency	6.04	99.71
Architecture codename	Sandy Bridge (2011−2013)	Phoenix (Zen 4) (2023)
Release date	1 June 2011 (13 years ago)	May 2023 (1 year ago)
Launch price (MSRP)	$250	no data

Detailed specifications

Core i5-2557M and Ryzen Z1 Extreme 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	16
Base clock speed	1.7 GHz	3.3 GHz
Boost clock speed	2.7 GHz	5.1 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	17	no data
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	3 MB (shared)	16 MB (shared)
Chip lithography	32 nm	4 nm
Die size	149 mm²	178 mm²
Maximum core temperature	100 °C	no data
Number of transistors	624 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i5-2557M and Ryzen Z1 Extreme 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	FCBGA1023	FP8
Power consumption (TDP)	17 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2557M and Ryzen Z1 Extreme. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
FMA	+	-
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
My WiFi	+	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
FDI	+	no data
Fast Memory Access	+	no data
Precision Boost 2	no data	+

Security technologies

Core i5-2557M and Ryzen Z1 Extreme technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2557M and Ryzen Z1 Extreme 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 i5-2557M and Ryzen Z1 Extreme. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	8.01 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 3000	AMD Radeon 780M
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-2557M and Ryzen Z1 Extreme integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-2557M and Ryzen Z1 Extreme.

PCIe version	2.0	4.0
PCI Express lanes	16	20

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.

i5-2557M 1.09

Ryzen Z1 Extreme 15.87
+1356%

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.

i5-2557M 1720

Ryzen Z1 Extreme 25108
+1360%

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.

i5-2557M 408

Ryzen Z1 Extreme 2195
+438%

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.

i5-2557M 803

Ryzen Z1 Extreme 9694
+1107%

Gaming performance

Pros & cons summary

Performance score	1.09	15.87
Integrated graphics card	0.66	18.30
Physical cores	2	8
Threads	4	16
Chip lithography	32 nm	4 nm
Power consumption (TDP)	17 Watt	15 Watt

Ryzen Z1 Extreme has a 1356% higher aggregate performance score, 2672.7% faster integrated GPU, 300% more physical cores and 300% more threads, a 700% more advanced lithography process, and 13.3% lower power consumption.

The Ryzen Z1 Extreme is our recommended choice as it beats the Core i5-2557M in performance tests.

Should you still have questions on choice between Core i5-2557M and Ryzen Z1 Extreme, ask them in Comments section, and we shall answer.