A8 Pro-7150B vs Core 2 Duo E8400

Place in the ranking	2665	2484
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	AMD Kaveri
Power efficiency	1.07	4.80
Architecture codename	Wolfdale (2008−2010)	Kaveri (2014−2015)
Release date	1 January 2008 (16 years ago)	4 June 2014 (10 years ago)

Detailed specifications

Core 2 Duo E8400 and A8 Pro-7150B 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	3 GHz	1.9 GHz
Boost clock speed	3 GHz	3.2 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB (per core)	no data
L2 cache	6 MB (shared)	4096 KB
L3 cache	0 KB	no data
Chip lithography	45 nm	28 nm
Die size	104 mm²	245 mm²
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	410 million	2410 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E8400 and A8 Pro-7150B 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	no data
Socket	LGA775	FP3
Power consumption (TDP)	65 Watt	19 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and A8 Pro-7150B. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA
AES-NI	-	+
FMA	-	+
AVX	-	+
FRTC	-	+
TrueAudio	-	+
PowerNow	-	+
PowerGating	-	+
Out-of-band client management	-	+
VirusProtect	-	+
RAID	-	+
HSA	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo E8400 and A8 Pro-7150B 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 Core 2 Duo E8400 and A8 Pro-7150B are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
IOMMU 2.0	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and A8 Pro-7150B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3-1600
Max memory channels	no data	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	AMD Radeon R5 Graphics
iGPU core count	no data	6
Number of pipelines	no data	384
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Core 2 Duo E8400 and A8 Pro-7150B integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Core 2 Duo E8400 and A8 Pro-7150B integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and A8 Pro-7150B.

PCIe version

2.0

3.0

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 E8400 0.76

A8 Pro-7150B 1.00
+31.6%

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 E8400 1165

A8 Pro-7150B 1528
+31.2%

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 E8400 370
+35.5%

A8 Pro-7150B 273

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 E8400 604

A8 Pro-7150B 628
+4%

Gaming performance

Pros & cons summary

Performance score	0.76	1.00
Recency	1 January 2008	4 June 2014
Physical cores	2	4
Threads	2	4
Chip lithography	45 nm	28 nm
Power consumption (TDP)	65 Watt	19 Watt

A8 Pro-7150B has a 31.6% higher aggregate performance score, an age advantage of 6 years, 100% more physical cores and 100% more threads, a 60.7% more advanced lithography process, and 242.1% lower power consumption.

The A8 Pro-7150B is our recommended choice as it beats the Core 2 Duo E8400 in performance tests.

Note that Core 2 Duo E8400 is a desktop processor while A8 Pro-7150B is a notebook one.

Should you still have questions on choice between Core 2 Duo E8400 and A8 Pro-7150B, ask them in Comments section, and we shall answer.