Pentium D 840 vs A8-7600

Primary details

Comparing A8-7600 and Pentium D 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1878	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Architecture codename	Kaveri (2014−2015)	Smithfield (2005)
Release date	31 July 2014 (10 years ago)	May 2005 (19 years ago)

Detailed specifications

A8-7600 and Pentium D 840 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	3.1 GHz	3.2 GHz
Boost clock speed	3.8 GHz	3.2 GHz
L1 cache	256 KB	28 KB
L2 cache	4096 KB	2 MB
L3 cache	no data	0 KB
Chip lithography	28 nm	90 nm
Die size	245 mm2	206 mm2
Maximum core temperature	71 °C	70 °C
Number of transistors	2,411 million	169 million
64 bit support	+	+
Windows 11 compatibility	no data	-
VID voltage range	no data	1.2V-1.4V

Compatibility

Information on A8-7600 and Pentium D 840 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	2
Socket	FM2+	PLGA775
Power consumption (TDP)	65 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-7600 and Pentium D 840. You'll probably need this information if you require some particular technology.

AES-NI	+	-
FMA	+	-
AVX	+	-
FRTC	+	-
FreeSync	+	-
DualGraphics	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
HSA	+	-
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	-
Idle States	no data	+
Demand Based Switching	no data	-
PAE	no data	32 Bit
FSB parity	no data	-
Status	no data	Discontinued

Security technologies

A8-7600 and Pentium D 840 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 A8-7600 and Pentium D 840 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 A8-7600 and Pentium D 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-2133	DDR1, DDR2, DDR3
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R7 Graphics	no data
iGPU core count	6	no data
Number of pipelines	384	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A8-7600 and Pentium D 840 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A8-7600 and Pentium D 840 integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by A8-7600 and Pentium D 840.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

---

Physical cores	4	2
Threads	4	2
Chip lithography	28 nm	90 nm
Power consumption (TDP)	65 Watt	130 Watt

---

Should you still have questions on choice between A8-7600 and Pentium D 840, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---