Radeon Pro 575 vs GeForce GT 645M

Primary details

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

Place in the ranking	910	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	5.44	no data
Architecture	Kepler (2012−2018)	GCN 4.0 (2016−2020)
GPU code name	GK107	Polaris 20
Market segment	Laptop	Mobile workstation
Release date	1 October 2012 (13 years ago)	5 June 2017 (8 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	384	2048
Core clock speed	Up to 710 MHz	1096 MHz
Number of transistors	1,270 million	5,700 million
Manufacturing process technology	28 nm	14 nm
Power consumption (TDP)	32 Watt	120 Watt
Texture fill rate	22.69	140.3
Floating-point processing power	0.5445 TFLOPS	4.489 TFLOPS
ROPs	16	32
TMUs	32	128
L1 Cache	32 KB	512 KB
L2 Cache	256 KB	2 MB

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	medium sized	no data
Bus support	PCI Express 2.0, PCI Express 3.0	no data
Interface	PCIe 3.0 x16	PCIe 3.0 x16
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	DDR3\GDDR5	GDDR5
Maximum RAM amount	2 GB	4 GB
Memory bus width	128bit	256 Bit
Memory clock speed	900 MHz	1695 MHz
Memory bandwidth	Up to 64.0 GB/s	217.0 GB/s
Shared memory	-	-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	No outputs	No outputs
HDMI	+	-
HDCP	+	-
Maximum VGA resolution	Up to 2048x1536	no data

Supported technologies

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

3D Blu-Ray	+	-
Optimus	+	-

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 API	12 (12_0)
Shader Model	5.1	6.4
OpenGL	4.5	4.6
OpenCL	1.1	2.0
Vulkan	1.1.126	1.2.131
CUDA	+	-

Synthetic benchmarks

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

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Pros & cons summary

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Recency	1 October 2012	5 June 2017
Maximum RAM amount	2 GB	4 GB
Chip lithography	28 nm	14 nm
Power consumption (TDP)	32 Watt	120 Watt