EPYC 7H12 vs i3-1005G1

Place in the ranking	1620	47
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i3	AMD EPYC
Power efficiency	19.48	14.81
Architecture codename	Ice Lake (Client) (2019)	Zen 2 (2017−2020)
Release date	1 August 2019 (5 years ago)	18 September 2019 (5 years ago)
Launch price (MSRP)	$281	no data

Detailed specifications

Core i3-1005G1 and EPYC 7H12 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)	64 (Tetrahexaconta-Core)
Threads	4	128
Base clock speed	1.2 GHz	2.6 GHz
Boost clock speed	3.4 GHz	3.3 GHz
Bus type	OPI	no data
Bus rate	4 × 4 GT/s	no data
Multiplier	12	26
L1 cache	160 KB	96K (per core)
L2 cache	1 MB	512K (per core)
L3 cache	4 MB (shared)	256 MB (shared)
Chip lithography	10 nm	7 nm, 14 nm
Die size	no data	192 mm²
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Core i3-1005G1 and EPYC 7H12 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 (Uniprocessor)	2 (Multiprocessor)
Socket	FCBGA1526	TR4
Power consumption (TDP)	15 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-1005G1 and EPYC 7H12. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
FMA	+	-
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Core i3-1005G1 and EPYC 7H12 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-1005G1 and EPYC 7H12 are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-1005G1 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4 Eight-channel
Maximum memory size	64 GB	4 TiB
Max memory channels	2	8
Maximum memory bandwidth	59.732 GB/s	204.763 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 10th Gen Intel® Processors	no data
Quick Sync Video	+	-
Graphics max frequency	900 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i3-1005G1 and EPYC 7H12 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Graphics image quality

Maximum display resolutions supported by Core i3-1005G1 and EPYC 7H12 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2304@60Hz	no data
Max resolution over eDP	5120 x 3200@60Hz	no data
Max resolution over DisplayPort	5120 x 3200@60Hz	no data

Graphics API support

APIs supported by Core i3-1005G1 and EPYC 7H12 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core i3-1005G1 and EPYC 7H12.

PCIe version

3.0

no data

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.

i3-1005G1 3.10

EPYC 7H12 44.00
+1319%

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.

i3-1005G1 4913

EPYC 7H12 69633
+1317%

Gaming performance

Pros & cons summary

Performance score	3.10	44.00
Recency	1 August 2019	18 September 2019
Physical cores	2	64
Threads	4	128
Chip lithography	10 nm	7 nm
Power consumption (TDP)	15 Watt	280 Watt

i3-1005G1 has 1766.7% lower power consumption.

EPYC 7H12, on the other hand, has a 1319.4% higher aggregate performance score, an age advantage of 1 month, 3100% more physical cores and 3100% more threads, and a 42.9% more advanced lithography process.

The EPYC 7H12 is our recommended choice as it beats the Core i3-1005G1 in performance tests.

Be aware that Core i3-1005G1 is a notebook processor while EPYC 7H12 is a server/workstation one.

Should you still have questions on choice between Core i3-1005G1 and EPYC 7H12, ask them in Comments section, and we shall answer.