Intel Xeon E3-1245 v5 vs E3-1275 v3

Intel Xeon E3-1245 v5
Intel Xeon E3-1275 v3

General info

Comparing Xeon E3-1245 v5 and Xeon E3-1275 v3 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Value for money (0-100)
2.82
 
7.48
Type
Server
 
Server
Series
Intel Xeon E3
 
n/d
Achitecture codename
Skylake
 
Haswell-WS
Release date
19 October 2015
 
on June 2013
Launch price (MSRP)
$294
 
$531
Price now
$1078
 
$401

Technical specs

Xeon E3-1245 v5 and Xeon E3-1275 v3 quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Xeon E3-1245 v5 and Xeon E3-1275 v3 performance, but for precise assessment you have to consider their test results.
Number of cores
4
 
4
Number of threads
8
 
8
Maximum frequency
3.9 GHz
 
3.9 GHz
Bus support
4 × 8 GT / s
 
n/d
L1 cache
256 KB
 
64 KB (per core)
L2 cache
1 MB
 
256 KB (per core)
L3 cache
8 MB
 
8192 KB (shared)
Manufacturing process technology
14 nm
 
22 nm
Die size
122 mm2
 
160 mm2
Transistor count
n/d
 
1400 million
64 bit support
+
 
+
VID voltage range
0.55V-1.52V
 
n/d

Compatibility

Information on Xeon E3-1245 v5 and Xeon E3-1275 v3 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
FCLGA1151
 
FCLGA1150
Power consumption (TDP)
80 Watt
 
84 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1245 v5 and Xeon E3-1275 v3. You'll probably need this information if you require some particular technology.
Instruction set extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
 
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI
+
 
+
AVX
+
 
+
vPro
+
 
+
Enhanced SpeedStep (EIST)
+
 
+
Turbo Boost
2.0
 
2.0
Hyper-Threading
+
 
+
TSX
+
 
+
Idle States
+
 
+
Thermal Monitoring
+
 
+
Flex Memory Access
n/d
 
+
SIPP
-
 
+
FDI
n/d
 
+
Fast Memory Access
n/d
 
+

Security technologies

Xeon E3-1245 v5 and Xeon E3-1275 v3 technologies aimed at raising security, for example, by protecting against hacks.
TXT
+
 
+
EDB
+
 
+
Secure Key
+
 
+
MPX
+
 
-
Identity Protection
-
 
+
SGX
Yes with Intel® ME
 
n/d
OS Guard
+
 
+
Anti-Theft
n/d
 
+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1245 v5 and Xeon E3-1275 v3 are enumerated here.
VT-d
+
 
+
VT-x
+
 
+
EPT
+
 
+

Memory specs

Types, maximum amount and channel number of RAM supported by Xeon E3-1245 v5 and Xeon E3-1275 v3.
Supported memory types
DDR4-1866, DDR4-2133, DDR3L-1333, DDR3L-1600
 
DDR3L-1333, DDR3L-1600
Maximum memory size
64 GB
 
32 GB
Max memory channels
2
 
2
Maximum memory bandwidth
34.1 GB / s
 
25.6 GB / s
ECC memory support
+
 
+

Graphics specifications

General parameters of GPUs integrated into Xeon E3-1245 v5 and Xeon E3-1275 v3.
Integrated graphics
 
Intel HD P4600
Max video memory
64 GB
 
n/d
Quick Sync
+
 
+
Clear Video
+
 
n/d
Clear Video HD
+
 
+
Graphics max frequency
1.15 GHz
 
1.25 GHz
InTru 3D
+
 
+

Graphics interfaces

Available interfaces and connections of Xeon E3-1245 v5 and Xeon E3-1275 v3 integrated GPUs.
Number of displays supported
3
 
3
eDP
+
 
n/d
DisplayPort
+
 
-
HDMI
+
 
-
DVI
+
 
n/d

Graphics image quality

Maximum display resolutions supported by Xeon E3-1245 v5 and Xeon E3-1275 v3 integrated GPUs, including resolutions over different interfaces.
4K resolution support
+
 
n/d
Max resolution over HDMI 1.4
4096x2304@24Hz
 
n/d
Max resolution over eDP
4096x2304@60Hz
 
n/d
Max resolution over DisplayPort
4096x2304@60Hz
 
n/d
Max resolution over VGA
N / A
 
n/d

Graphics API support

APIs supported by Xeon E3-1245 v5 and Xeon E3-1275 v3 integrated GPUs, sometimes API versions are included.
DirectX
12
 
n/d
OpenGL
4.4
 
n/d

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1245 v5 and Xeon E3-1275 v3.
PCIe revision
3.0
 
3.0
Max number of PCIe lanes
16
 
16

Benchmark performance

Non-gaming benchmarks performance of Xeon E3-1245 v5 and Xeon E3-1275 v3. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

Xeon E3-1245 v5 21.45 +1.1%
Xeon E3-1275 v3 21.21

Passmark

Xeon E3-1245 v5 10160 +1.1%
Xeon E3-1275 v3 10048

Gaming performance

Let's see how good Xeon E3-1245 v5 and Xeon E3-1275 v3 are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Advantages of Intel Xeon E3-1245 v5

1.1% faster in synthetic tests
Cheaper ($294 vs $531)
Finer manufacturing process technology (14 vs 22 nm)
Less power hungry (80 vs 84 watts)
AES (Advanced Encryption Standard instructions set - hardware acceleration of AES encryption and decryption. Speeds up encryption software, e.g. Veracrypt)
x86-64 (a general name for 64-bit extension of x86 instruction set. There are AMD64 and Intel 64 versions that differ very little)
MemoryProtectionExtensionsVersion
DisplayPortMenu
HDMIMenu

Advantages of Intel Xeon E3-1275 v3

Intel 64 (64-bit Intel CPU architecture. Almost identical to AMD64, except small and rarely used nuances)
AES-NI (Advanced Encryption Standard New Instructions - additional instructions for hardware acceleration of AES encryption and decryption)
SIPP
IdentityProtectionTechVersion

So, Xeon E3-1245 v5 or E3-1275 v3?

Technical City couldn't decide between Intel Xeon E3-1245 v5 and Intel Xeon E3-1275 v3. The differences in performance seem too small.
Should you still have questions on choice between Xeon E3-1245 v5 and Xeon E3-1275 v3, ask them in Comments section, and we shall answer.

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