i7-1255U vs Turion X2 Ultra ZM-85

Place in the ranking	2837	896
Place by popularity	not in top-100	74
Market segment	Laptop	Laptop
Series	2x AMD Turion Ultra	Intel Alder Lake-M
Power efficiency	1.51	53.78
Architecture codename	Puma (2008−2009)	Alder Lake-U (2022)
Release date	4 June 2008 (16 years ago)	23 February 2022 (2 years ago)

Detailed specifications

Turion X2 Ultra ZM-85 and Core i7-1255U 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)	10 (Deca-Core)
Threads	2	12
Base clock speed	no data	1.7 GHz
Boost clock speed	2.3 GHz	4.7 GHz
Bus rate	4400 MHz	no data
L1 cache	256 KB	80K (per core)
L2 cache	2 MB	1.25 MB (per core)
L3 cache	0 KB	12 MB (shared)
Chip lithography	65 nm	10 nm
Maximum core temperature	no data	100 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Turion X2 Ultra ZM-85 and Core i7-1255U 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	S1g2	Intel BGA 1744
Power consumption (TDP)	35 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Turion X2 Ultra ZM-85 and Core i7-1255U. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization	no data
AES-NI	-	+
FMA	-	+
AVX	-	+
PowerNow	+	-
Enhanced SpeedStep (EIST)	no data	+
TSX	-	+

Security technologies

Turion X2 Ultra ZM-85 and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Turion X2 Ultra ZM-85 and Core i7-1255U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Turion X2 Ultra ZM-85 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2

DDR4, DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel Iris Xe Graphics G7 96EUs ( - 1250 MHz)

Peripherals

Specifications and connection of peripherals supported by Turion X2 Ultra ZM-85 and Core i7-1255U.

PCIe version	no data	4.0
PCI Express lanes	no data	20

Gaming performance

Pros & cons summary

Performance score	0.56	8.53
Recency	4 June 2008	23 February 2022
Physical cores	2	10
Threads	2	12
Chip lithography	65 nm	10 nm
Power consumption (TDP)	35 Watt	15 Watt

i7-1255U has a 1423.2% higher aggregate performance score, an age advantage of 13 years, 400% more physical cores and 500% more threads, a 550% more advanced lithography process, and 133.3% lower power consumption.

The Core i7-1255U is our recommended choice as it beats the Turion X2 Ultra ZM-85 in performance tests.

Should you still have questions on choice between Turion X2 Ultra ZM-85 and Core i7-1255U, ask them in Comments section, and we shall answer.