Intel Pentium 3805U vs Pentium J2900

Intel Pentium 3805U
Intel Pentium J2900

General info

Comparing Pentium 3805U and Pentium J2900 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Type
Laptop
 
Laptop
Series
Intel Pentium
 
Intel Pentium
Achitecture codename
Broadwell
 
Bay Trail-D
Release date
5 January 2015
 
1 November 2013
Launch price (MSRP)
$161
 
$94

Technical specs

Pentium 3805U and Pentium J2900 quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Pentium 3805U and Pentium J2900 performance, but for precise assessment you have to consider their test results.
Number of cores
2
 
4
Number of threads
2
 
4
Maximum frequency
1.9 GHz
 
2.66 GHz
L1 cache
64K (per core)
 
224 KB
L2 cache
256K (per core)
 
2 MB
L3 cache
2 MB
 
n/d
Manufacturing process technology
14 nm
 
22 nm
Die size
82 mm2
 
n/d
Maximum core temperature
105 °C
 
105 °C
Maximum case temperature (TCase)
105 °C
 
n/d
Transistor count
1300 Million
 
n/d
64 bit support
+
 
+

Compatibility

Information on Pentium 3805U and Pentium J2900 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
1
 
1
Socket
FCBGA1168
 
FCBGA1170
Power consumption (TDP)
15 Watt
 
10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3805U and Pentium J2900. You'll probably need this information if you require some particular technology.
Instruction set extensions
Intel® SSE4.1, Intel® SSE4.2
 
n/d
AES-NI
+
 
-
AVX
+
 
-
vPro
-
 
-
Enhanced SpeedStep (EIST)
+
 
+
Turbo Boost
-
 
-
Hyper-Threading
-
 
-
Idle States
+
 
+
Thermal Monitoring
+
 
-
Flex Memory Access
+
 
n/d
Smart Response
-
 
n/d
PAE
n/d
 
36 Bit
FDI
+
 
-
Fast Memory Access
+
 
n/d
RST
n/d
 
-

Security technologies

Pentium 3805U and Pentium J2900 technologies aimed at raising security, for example, by protecting against hacks.
TXT
-
 
n/d
EDB
+
 
+
Secure Key
+
 
n/d
Identity Protection
+
 
-
OS Guard
-
 
n/d
Anti-Theft
n/d
 
-

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3805U and Pentium J2900 are enumerated here.
AMD-V
+
 
-
VT-d
+
 
-
VT-x
+
 
+
EPT
+
 
n/d

Memory specs

Types, maximum amount and channel number of RAM supported by Pentium 3805U and Pentium J2900.
Supported memory types
DDR3L-1333, DDR3L-1600, LPDDR3-1333, LPDDR3-1600
 
DDR3L-1333
Maximum memory size
16 GB
 
8 GB
Max memory channels
2
 
2
Maximum memory bandwidth
25.6 GB / s
 
21.3 GB / s

Graphics specifications

General parameters of GPUs integrated into Pentium 3805U and Pentium J2900.
Integrated graphics
Intel HD Graphics (Broadwell) (100 - 800 MHz)
 
Intel HD Graphics (Bay Trail) (688 - 896 MHz)
Graphics max frequency
800 MHz
 
896 MHz
Quick Sync
+
 
+
Clear Video
+
 
n/d
InTru 3D
+
 
-

Graphics interfaces

Available interfaces and connections of Pentium 3805U and Pentium J2900 integrated GPUs.
Number of displays supported
3
 
2
eDP
+
 
n/d
DisplayPort
+
 
-
HDMI
+
 
-

Graphics API support

APIs supported by Pentium 3805U and Pentium J2900 integrated GPUs, sometimes API versions are included.
DirectX
11.2 / 12
 
11.2

Peripherals

Specifications and connection of peripherals supported by Pentium 3805U and Pentium J2900.
PCIe revision
2.0
 
2.0
Max number of PCIe lanes
12
 
4
USB revision
n/d
 
3.0 and 2.0
Total number of SATA ports
n/d
 
2
Number of USB ports
n/d
 
5

Benchmark performance

Non-gaming benchmarks performance of Pentium 3805U and Pentium J2900. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

Pentium 3805U 6.22 +1.3%
Pentium J2900 6.14

Passmark

Pentium 3805U 1978 +1.2%
Pentium J2900 1955

Gaming performance

Let's see how good Pentium 3805U and Pentium J2900 are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Advantages of Intel Pentium 3805U

1.3% faster in synthetic tests
Much newer (5 January 2015 vs 1 November 2013)
Finer manufacturing process technology (14 vs 22 nm)
AVX (Advanced Vector Extensions - a set of SIMD instructions working with 128- and 256-bit registers)
AES-NI (Advanced Encryption Standard New Instructions - additional instructions for hardware acceleration of AES encryption and decryption)
Virtualization (Hardware acceleration of virtual machines)
Wireless Display (allows attaching TVs and displays to a GPU through WiFi)
Quick Sync (hardware acceleration of video encoding and decoding for Intel CPUs. Speeds up video encoding by times, but at the cost of somewhat lower quality)
MMX (MultiMedia Extensions - the very first (1996) SIMD instruction expansion for Intel desktop CPUs, works with 64-bit registers)
SSE (Streaming SIMD Instructions - a SIMD instruction extension working with 128-bit registers)
AES-NI save
Thermal Monitoring Technologies
IdentityProtectionTechVersion
DisplayPortMenu
HDMIMenu

Advantages of Intel Pentium J2900

Cheaper ($94 vs $161)
Less power hungry (10 vs 15 watts)

So, Pentium 3805U or Pentium J2900?

Technical City couldn't decide between Intel Pentium 3805U and Intel Pentium J2900. The differences in performance seem too small.
Should you still have questions on choice between Pentium 3805U and Pentium J2900, ask them in Comments section, and we shall answer.

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