Radeon RX 580X vs ATI HD 4270

Place in the ranking	1338	323
Place by popularity	not in top-100	not in top-100
Power efficiency	no data	6.31
Architecture	RV6xx (2008−2010)	GCN 4.0 (2016−2020)
GPU code name	RS880M	Polaris 20
Market segment	Laptop	Desktop
Release date	1 May 2010 (14 years ago)	11 April 2018 (6 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	40	2304
Core clock speed	590 MHz	1257 MHz
Boost clock speed	no data	1340 MHz
Number of transistors	no data	5,700 million
Manufacturing process technology	55 nm	14 nm
Power consumption (TDP)	no data	185 Watt
Texture fill rate	no data	193.0
Floating-point processing power	no data	6.175 TFLOPS
ROPs	no data	32
TMUs	no data	144

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).

Interface	no data	PCIe 3.0 x16
Length	no data	241 mm
Width	no data	2-slot
Supplementary power connectors	no data	1x 8-pin

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	no data	GDDR5
Maximum RAM amount	512 MB	8 GB
Memory bus width	no data	256 Bit
Memory clock speed	no data	2000 MHz
Memory bandwidth	no data	256.0 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	no data	1x HDMI, 3x DisplayPort
HDMI	-	+

API compatibility

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

DirectX	10.1	12 (12_0)
Shader Model	no data	6.4
OpenGL	no data	4.6
OpenCL	no data	2.0
Vulkan	-	1.2.131

Synthetic benchmark performance

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

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

ATI HD 4270 0.28

RX 580X 16.74
+5879%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

ATI HD 4270 109

RX 580X 6458
+5825%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

2−3
−5400%

110−120

+5400%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 −5567%	170−180 +5567%
Call of Duty: Modern Warfare	2−3 −5400%	110−120 +5400%
Cyberpunk 2077	2−3 −5400%	110−120 +5400%
Hitman 3	4−5 −5650%	230−240 +5650%
Horizon Zero Dawn	8−9 −5525%	450−500 +5525%
Shadow of the Tomb Raider	4−5 −5650%	230−240 +5650%
Watch Dogs: Legion	27−30 −5793%	1650−1700 +5793%

Full HD
High Preset

Assassin's Creed Odyssey	3−4 −5567%	170−180 +5567%
Call of Duty: Modern Warfare	2−3 −5400%	110−120 +5400%
Cyberpunk 2077	2−3 −5400%	110−120 +5400%
Hitman 3	4−5 −5650%	230−240 +5650%
Horizon Zero Dawn	8−9 −5525%	450−500 +5525%
Shadow of the Tomb Raider	4−5 −5650%	230−240 +5650%
The Witcher 3: Wild Hunt	9−10 −5456%	500−550 +5456%
Watch Dogs: Legion	27−30 −5793%	1650−1700 +5793%

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 −5567%	170−180 +5567%
Call of Duty: Modern Warfare	2−3 −5400%	110−120 +5400%
Cyberpunk 2077	2−3 −5400%	110−120 +5400%
Hitman 3	4−5 −5650%	230−240 +5650%
Horizon Zero Dawn	8−9 −5525%	450−500 +5525%
Shadow of the Tomb Raider	4−5 −5650%	230−240 +5650%
The Witcher 3: Wild Hunt	9−10 −5456%	500−550 +5456%
Watch Dogs: Legion	27−30 −5793%	1650−1700 +5793%

1440p
Ultra Preset

Cyberpunk 2077	0−1	0−1
Hitman 3	6−7 −5733%	350−400 +5733%
Horizon Zero Dawn	2−3 −5400%	110−120 +5400%

1440p
Epic Preset

Red Dead Redemption 2

2−3
−5400%

110−120

+5400%

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 −5400%	55−60 +5400%
Assassin's Creed Valhalla	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

2−3
−5400%

110−120

+5400%

Pros & cons summary

Performance score	0.28	16.74
Recency	1 May 2010	11 April 2018
Maximum RAM amount	512 MB	8 GB
Chip lithography	55 nm	14 nm

RX 580X has a 5878.6% higher aggregate performance score, an age advantage of 7 years, a 1500% higher maximum VRAM amount, and a 292.9% more advanced lithography process.

The Radeon RX 580X is our recommended choice as it beats the Radeon HD 4270 in performance tests.

Be aware that Radeon HD 4270 is a notebook card while Radeon RX 580X is a desktop one.

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