Radeon R9 280 vs Radeon R9 M485X

If you are going to buy a new graphics card and are choosing between Radeon R9 280 and Radeon R9 M485X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon R9 280 stacks up against Radeon R9 M485X, check out specs charts below.

Radeon R9 280 Check Price

Radeon R9 M485X Check Price

Radeon R9 M485X is a Laptop Graphics Card

Note: Radeon R9 M485X is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon R9 M485X here:

Radeon R9 M485X Laptops

Main Specs

	Radeon R9 280	Radeon R9 M485X
Power consumption (TDP)	200 Watt	250 Watt
Interface	PCIe 3.0 x16	MXM-B (3.0)
Supplementary power connectors	1 x 6-pin + 1 x 8-pin	None
Memory type	GDDR5	GDDR5
Maximum RAM amount	3 GB	8 GB MB
Display Connectors	2x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
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Radeon R9 M485X has 25% more power consumption, than Radeon R9 280.
Radeon R9 280 is connected by PCIe 3.0 x16, and Radeon R9 M485X uses MXM-B (3.0) interface.
Radeon R9 M485X has 5 GB more memory, than Radeon R9 280.
Radeon R9 280 is used in Desktops, and Radeon R9 M485X - in Laptops.
Radeon R9 280 is build with GCN 1.0 architecture, and Radeon R9 M485X - with GCN 3.
Radeon R9 280 and Radeon R9 M485X are manufactured by 28 nm process technology.
Memory clock speed of Radeon R9 M485X is 3750 MHz higher, than Radeon R9 280.

Game benchmarks


high / 1080p	35−40	24−27
ultra / 1080p	21−24	14−16
QHD / 1440p	16−18	10−11
4K / 2160p	10−11	6−7
low / 720p	60−65	45−50
medium / 1080p	40−45	30−35
The average gaming FPS of Radeon R9 280 in Assassin's Creed Odyssey is 45% more, than Radeon R9 M485X.
high / 1080p	55−60	35−40
ultra / 1080p	45−50	30−35
QHD / 1440p	35−40	18−20
4K / 2160p	18−20	10−12
low / 720p	100−110	80−85
medium / 1080p	60−65	45−50
The average gaming FPS of Radeon R9 280 in Battlefield 5 is 42% more, than Radeon R9 M485X.
low / 768p	50−55	50−55
QHD / 1440p	0−1	0−1
Radeon R9 280 and Radeon R9 M485X have the same average FPS in Call of Duty: Warzone.
low / 768p	250−260	240−250
medium / 768p	220−230	210−220
ultra / 1080p	180−190	140−150
QHD / 1440p	110−120	110−120
4K / 2160p	70−75	60−65
high / 768p	210−220	180−190
The average gaming FPS of Radeon R9 280 in Counter-Strike: Global Offensive is 9% more, than Radeon R9 M485X.
low / 768p	60−65	60−65
medium / 1080p	55−60	55−60
Radeon R9 280 and Radeon R9 M485X have the same average FPS in Cyberpunk 2077.
low / 768p	120−130	120−130
medium / 768p	110−120	110−120
ultra / 1080p	100−110	90−95
The average gaming FPS of Radeon R9 280 in Dota 2 is 4% more, than Radeon R9 M485X.
high / 1080p	45−50	30−35
ultra / 1080p	40−45	27−30
QHD / 1440p	27−30	21−24
4K / 2160p	14−16	10−11
low / 720p	80−85	60−65
medium / 1080p	45−50	30−35
The average gaming FPS of Radeon R9 280 in Far Cry 5 is 38% more, than Radeon R9 M485X.
high / 1080p	60−65	40−45
ultra / 1080p	45−50	30−35
QHD / 1440p	27−30	18−20
4K / 2160p	27−30	−
low / 720p	180−190	140−150
medium / 1080p	110−120	85−90
The average gaming FPS of Radeon R9 280 in Fortnite is 33% more, than Radeon R9 M485X.
high / 1080p	60−65	40−45
ultra / 1080p	45−50	30−35
QHD / 1440p	30−35	18−20
4K / 2160p	24−27	16−18
low / 720p	100−110	80−85
medium / 1080p	65−70	45−50
The average gaming FPS of Radeon R9 280 in Forza Horizon 4 is 40% more, than Radeon R9 M485X.
low / 768p	140−150	110−120
medium / 768p	120−130	100−110
high / 1080p	70−75	50−55
ultra / 1080p	30−35	21−24
QHD / 1440p	21−24	10−12
The average gaming FPS of Radeon R9 280 in Grand Theft Auto V is 29% more, than Radeon R9 M485X.
high / 1080p	24−27	16−18
ultra / 1080p	20−22	12−14
QHD / 1440p	16−18	12−14
4K / 2160p	8−9	4−5
low / 720p	65−70	45−50
medium / 1080p	30−35	21−24
The average gaming FPS of Radeon R9 280 in Metro Exodus is 47% more, than Radeon R9 M485X.
low / 768p	130−140	120−130
medium / 1080p	120−130	110−120
The average gaming FPS of Radeon R9 280 in Minecraft is 8% more, than Radeon R9 M485X.
ultra / 1080p	14−16	14−16
low / 720p	100−110	80−85
medium / 1080p	18−20	18−20
The average gaming FPS of Radeon R9 280 in PLAYERUNKNOWN'S BATTLEGROUNDS is 21% more, than Radeon R9 M485X.
high / 1080p	24−27	18−20
ultra / 1080p	16−18	12−14
QHD / 1440p	10−11	4−5
4K / 2160p	7−8	3−4
low / 720p	65−70	45−50
medium / 1080p	35−40	24−27
The average gaming FPS of Radeon R9 280 in Red Dead Redemption 2 is 50% more, than Radeon R9 M485X.
low / 768p	130−140	90−95
medium / 768p	85−90	55−60
high / 1080p	45−50	30−35
ultra / 1080p	24−27	18−20
4K / 2160p	16−18	10−11
The average gaming FPS of Radeon R9 280 in The Witcher 3: Wild Hunt is 47% more, than Radeon R9 M485X.
low / 768p	90−95	90−95
medium / 768p	60−65	60−65
ultra / 1080p	50−55	45−50
high / 768p	60−65	55−60
The average gaming FPS of Radeon R9 280 in World of Tanks is 3% more, than Radeon R9 M485X.

Full Specs

	Radeon R9 280	Radeon R9 M485X
Architecture	GCN 1.0	GCN 3
Code name	Tahiti	Amethyst
Type	Desktop	Laptop
Release date	4 March 2014	14 May 2016
Pipelines	1792	2048
Core clock speed		723 MHz
Boost Clock	933 MHz
Transistor count	4,313 million	5,000 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	104.5	92.54
Floating-point performance	3,344 gflops	2,961 gflops
Length	275 mm
Memory bus width	384 Bit	256 Bit
Memory clock speed	1250 MHz	5000 MHz
Memory bandwidth	240 GB/s	160.0 GB/s
Shared memory		-
DirectX		12 (12_0)
Shader Model	5.1	6.3
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	+	1.2.131
FreeSync	+
Bus support	PCIe 3.0
HDMI	+
Bitcoin / BTC (SHA256)	408 Mh/s
Laptop size		large
Eyefinity	+
HD3D	+
TrueAudio	+
Design	reference
CrossFire	+
DDMA audio	+
Ethereum / ETH (DaggerHashimoto)	21.5 Mh/s
LiquidVR	+
TressFX	+
UVD	+
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Radeon R9 280 vs Radeon R9 M485X

Radeon R9 M485X is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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