AMD Radeon RX 455 OEM vs AMD Radeon RX 580 OEM

Comparative analysis of AMD Radeon RX 455 OEM and AMD Radeon RX 580 OEM videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies.

AMD Radeon RX 455 OEM

AMD Radeon RX 580 OEM

Differences

Reasons to consider the AMD Radeon RX 455 OEM

260.2x better floating-point performance: 1,613 gflops vs 6.2 TFLOPs
Around 85% lower typical power consumption: 100 Watt vs 185 Watt

Floating-point performance	1,613 gflops vs 6.2 TFLOPs
Thermal Design Power (TDP)	100 Watt vs 185 Watt

Reasons to consider the AMD Radeon RX 580 OEM

Videocard is newer: launch date 1 year(s) 9 month(s) later
Around 7% higher core clock speed: 1120-1257 MHz vs 1050 MHz
3828.6x more texture fill rate: 192.96 GTexel/s vs 50.4 GTexel / s
3x more pipelines: 2304 vs 768
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
4x more maximum memory size: 8 GB vs 2 GB
Around 23% higher memory clock speed: 8000 MHz vs 6500 MHz

Launch date	18 April 2018 vs 30 June 2016
Core clock speed	1120-1257 MHz vs 1050 MHz
Texture fill rate	192.96 GTexel/s vs 50.4 GTexel / s
Pipelines	2304 vs 768
Manufacturing process technology	14 nm vs 28 nm
Maximum memory size	8 GB vs 2 GB
Memory clock speed	8000 MHz vs 6500 MHz

Compare specifications (specs)

	AMD Radeon RX 455 OEM	AMD Radeon RX 580 OEM
Essentials
Architecture	GCN 2.0	GCN 4.0
Code name	Tobago	Ellesmere
Launch date	30 June 2016	18 April 2018
Place in performance rating	not rated	not rated
Type	Desktop	Desktop, Laptop
Design		Radeon RX 500 Series
GCN generation		4th Gen
Launch price (MSRP)		$229
Technical info
Core clock speed	1050 MHz	1120-1257 MHz
Floating-point performance	1,613 gflops	6.2 TFLOPs
Manufacturing process technology	28 nm	14 nm
Pipelines	768	2304
Texture fill rate	50.4 GTexel / s	192.96 GTexel/s
Thermal Design Power (TDP)	100 Watt	185 Watt
Transistor count	2,080 million	5,700 million
Boost clock speed		1266-1340 MHz
Compute units		36
Pixel fill rate		42.88 GP/s
Render output units		32
Stream Processors		2304
Texture Units		144
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	1x HDMI, 3x DisplayPort
DisplayPort support
Dual-link DVI support
HDMI
VGA
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	165 mm	241 mm
Supplementary power connectors	1x 6-pin	1x 6-pin
Recommended system power (PSU)		500 Watt
API support
DirectX	12.0 (12_0)	12
OpenGL	4.5	4.5
OpenCL		2.0
Vulkan
Memory
Maximum RAM amount	2 GB	8 GB
Memory bandwidth	104.0 GB / s	256 GB/s
Memory bus width	128 Bit	256 bit
Memory clock speed	6500 MHz	8000 MHz
Memory type	GDDR5	GDDR5
Technologies
4K H264 Decode
4K H264 Encode
AMD Radeon™ Chill
AMD Radeon™ ReLive
AppAcceleration
FreeSync
H265/HEVC Decode
H265/HEVC Encode
HDMI 4K Support
PowerTune
TrueAudio
Unified Video Decoder (UVD)
Video Code Engine (VCE)
Virtual Super Resolution (VSR)
VR Ready