Ryzen 9 7945HX vs Core 2 Duo T5900

Place in the ranking	2981	110
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core 2 Duo	no data
Power efficiency	1.11	59.23
Architecture codename	Merom (2006−2008)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	1 October 2008 (16 years ago)	4 January 2023 (1 year ago)

Detailed specifications

Core 2 Duo T5900 and Ryzen 9 7945HX 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)	16 (Hexadeca-Core)
Threads	2	32
Base clock speed	no data	2.5 GHz
Boost clock speed	2.2 GHz	5.4 GHz
Bus rate	800 MHz	no data
L1 cache	128 KB	64K (per core)
L2 cache	2 MB	1 MB (per core)
L3 cache	no data	64 MB (shared)
Chip lithography	65 nm	CCD = 5 nm, I/O = 6 nm
Die size	no data	2x 71 mm²
Maximum core temperature	no data	100 °C
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Core 2 Duo T5900 and Ryzen 9 7945HX 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	no data	1
Socket	Socket P	FL1
Power consumption (TDP)	35 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T5900 and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	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	-	+
Enhanced SpeedStep (EIST)	+	no data
AMT	+	no data
Precision Boost 2	no data	+

Security technologies

Core 2 Duo T5900 and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T5900 and Ryzen 9 7945HX are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T5900 and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 610M (400 - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T5900 and Ryzen 9 7945HX.

PCIe version	no data	5.0
PCI Express lanes	no data	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.

Core 2 Duo T5900 0.41

Ryzen 9 7945HX 34.42
+8295%

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.

Core 2 Duo T5900 652

Ryzen 9 7945HX 54677
+8286%

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.

Core 2 Duo T5900 273

Ryzen 9 7945HX 2736
+902%

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.

Core 2 Duo T5900 466

Ryzen 9 7945HX 15900
+3312%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Duo T5900 2123

Ryzen 9 7945HX 8462
+299%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Duo T5900 3997

Ryzen 9 7945HX 71611
+1692%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Core 2 Duo T5900 1864

Ryzen 9 7945HX 19820
+963%

Gaming performance

Pros & cons summary

Performance score	0.41	34.42
Recency	1 October 2008	4 January 2023
Physical cores	2	16
Threads	2	32
Power consumption (TDP)	35 Watt	55 Watt

Core 2 Duo T5900 has 57.1% lower power consumption.

Ryzen 9 7945HX, on the other hand, has a 8295.1% higher aggregate performance score, an age advantage of 14 years, and 700% more physical cores and 1500% more threads.

The Ryzen 9 7945HX is our recommended choice as it beats the Core 2 Duo T5900 in performance tests.

Should you still have questions on choice between Core 2 Duo T5900 and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.