ATI Radeon HD 5450 vs RX 580 Mobile

Primary details

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

Place in the ranking	278	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	24.26	no data
Power efficiency	13.61	no data
Architecture	GCN 4.0 (2016−2020)	TeraScale 2 (2009−2015)
GPU code name	Polaris 20	Cedar
Market segment	Laptop	Desktop
Release date	18 April 2017 (7 years ago)	4 February 2010 (14 years ago)
Launch price (MSRP)	$301.69	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	2304	80
Core clock speed	1000 MHz	650 MHz
Boost clock speed	1077 MHz	no data
Number of transistors	5,700 million	292 million
Manufacturing process technology	14 nm	40 nm
Power consumption (TDP)	100 Watt	19 Watt
Texture fill rate	155.1	5.200
Floating-point processing power	4.963 TFLOPS	0.104 TFLOPS
ROPs	32	4
TMUs	144	8

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
Interface	MXM-B (3.0)	PCIe 2.0 x16
Length	no data	170 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	DDR2
Maximum RAM amount	8 GB	2 GB
Memory bus width	256 Bit	64 Bit
Memory clock speed	2000 MHz	400 MHz
Memory bandwidth	256.0 GB/s	6.4 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	1x DVI, 1x HDMI, 1x VGA
HDMI	-	+

API compatibility

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

DirectX	12 (12_0)	11.2 (11_0)
Shader Model	6.4	5.0
OpenGL	4.6	4.4
OpenCL	2.0	1.2
Vulkan	1.2.131	N/A

Synthetic benchmark performance

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	18 April 2017	4 February 2010
Maximum RAM amount	8 GB	2 GB
Chip lithography	14 nm	40 nm
Power consumption (TDP)	100 Watt	19 Watt

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