Radeon HD 8530M vs GeForce GT 645M

Primary details

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

Place in performance ranking	805	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.24	no data
Architecture	Kepler (2012−2018)	GCN 1.0 (2012−2020)
GPU code name	N13P-GS	Mars
Market segment	Laptop	Desktop
Release date	22 March 2012 (12 years ago)	10 January 2014 (10 years ago)
Current price	$310	$320

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	384	320
CUDA cores	384	no data
Core clock speed	Up to 710 MHz	650 MHz
Boost clock speed	no data	700 MHz
Number of transistors	1,270 million	950 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	32 Watt	no data
Texture fill rate	22.7 billion/sec	11.20
Floating-point performance	544.5 gflops	537.6 gflops

Form factor & compatibility

Information on GeForce GT 645M and Radeon HD 8530M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

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 x8

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	DDR3
Maximum RAM amount	2 GB	1 GB
Memory bus width	128bit	64 Bit
Memory clock speed	1800 MHz	1800 MHz
Memory bandwidth	Up to 64.0 GB/s	14.4 GB/s
Shared memory	-	no data

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	No outputs	No outputs
HDMI	+	no data
HDCP	+	no data
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	+	no data
Optimus	+	no data

API compatibility

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

DirectX	12 API	12 (11_1)
Shader Model	5.1	5.1
OpenGL	4.5	4.6
OpenCL	1.1	1.2
Vulkan	1.1.126	1.2.131
CUDA	+	no data

Pros & cons summary

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Recency	22 March 2012	10 January 2014
Maximum RAM amount	2 GB	1 GB

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Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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