A8-6500 vs Core 2 Duo E8400

Place in the ranking	2671	2015
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	1.06	2.59
Architecture codename	Wolfdale (2008−2010)	Richland (2013−2014)
Release date	1 January 2008 (16 years ago)	1 June 2013 (11 years ago)

Detailed specifications

Core 2 Duo E8400 and A8-6500 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	3.5 GHz
Boost clock speed	3 GHz	4.1 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB (per core)	192 KB
L2 cache	6 MB (shared)	4096 KB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	32 nm
Die size	104 mm²	246 mm²
Maximum core temperature	no data	71 °C
Maximum case temperature (TCase)	72 °C	71 °C
Number of transistors	410 million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E8400 and A8-6500 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	LGA775	FM2
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and A8-6500. You'll probably need this information if you require some particular technology.

AES-NI	-	+
FMA	-	FMA4
AVX	-	AVX
PowerNow	-	+
PowerGating	-	+
VirusProtect	-	+
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 A8-6500 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 A8-6500 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 A8-6500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3-1866
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 HD 8570D
Number of pipelines	no data	256
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Core 2 Duo E8400 and A8-6500 integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Core 2 Duo E8400 and A8-6500 integrated GPUs, sometimes API versions are included.

DirectX

no data

DirectX® 11

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and A8-6500.

PCIe version

2.0

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 0.73

A8-6500 1.78
+144%

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

A8-6500 2820
+142%

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

A8-6500 441
+19.2%

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

A8-6500 1042
+72.5%

Gaming performance

Pros & cons summary

Performance score	0.73	1.78
Recency	1 January 2008	1 June 2013
Physical cores	2	4
Threads	2	4
Chip lithography	45 nm	32 nm

A8-6500 has a 143.8% higher aggregate performance score, an age advantage of 5 years, 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.

The A8-6500 is our recommended choice as it beats the Core 2 Duo E8400 in performance tests.

Should you still have questions on choice between Core 2 Duo E8400 and A8-6500, ask them in Comments section, and we shall answer.