GeForce GTX 645 OEM vs GTX 1050 Mobile

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking	409	not rated
Place by popularity	94	not in top-100
Architecture	Pascal (2016−2021)	Kepler (2012−2018)
GPU code name	GP107B	GK106
Market segment	Laptop	Desktop
Release date	3 January 2017 (7 years ago)	22 April 2013 (11 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	640	576
CUDA cores	640	no data
Core clock speed	1354 MHz	824 MHz
Boost clock speed	1493 MHz	no data
Number of transistors	3,300 million	2,540 million
Manufacturing process technology	14 nm	28 nm
Power consumption (TDP)	75 Watt	65 Watt
Maximum GPU temperature	97 °C	no data
Texture fill rate	59.72	39.55
Floating-point performance	1.911 gflops	0.9492 gflops

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop size	large	no data
Bus support	PCIe 3.0	no data
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	no data	147 mm
Width	no data	1-slot
Supplementary power connectors	no data	None

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR5	GDDR5
Maximum RAM amount	4000 MB	1 GB
Memory bus width	128 Bit	128 Bit
Memory clock speed	7008 MHz	4000 MHz
Memory bandwidth	112 GB/s	64 GB/s
Shared memory	-	-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	DP 1.4, HDMI 2.0b, Dual Link-DVI	1x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support	+	no data
HDMI	-	+
HDCP	2.2	-
G-SYNC support	+	-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

GameStream	+	-
GPU Boost	3.0	no data
Ansel	+	no data

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX	12 (12_1)	12 (11_0)
Shader Model	6.4	5.1
OpenGL	4.5	4.6
OpenCL	1.2	1.2
Vulkan	1.2.131	1.1.126
CUDA	+	3.0

Pros & cons summary

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Recency	3 January 2017	22 April 2013
Maximum RAM amount	4000 MB	1 GB
Chip lithography	14 nm	28 nm
Power consumption (TDP)	75 Watt	65 Watt

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