GeForce GTX 660 vs Radeon Instinct MI25 MxGPU

When choosing between GeForce GTX 660 and Radeon Instinct MI25 MxGPU, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 660 and Radeon Instinct MI25 MxGPU.

GeForce GTX 660 Check Price

Radeon Instinct MI25 MxGPU

Main Specs

	GeForce GTX 660	Radeon Instinct MI25 MxGPU
Power consumption (TDP)	140 Watt	300 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	One 6-pin	2x 8-pin
Memory type	GDDR5	HBM2
Maximum RAM amount	2 GB	16 GB
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	No outputs
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Radeon Instinct MI25 MxGPU has 114% more power consumption, than GeForce GTX 660.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon Instinct MI25 MxGPU has 14 GB more memory, than GeForce GTX 660.
Both cards are used in Desktops.
GeForce GTX 660 is build with Kepler architecture, and Radeon Instinct MI25 MxGPU - with GCN 5.0.
Core clock speed of Radeon Instinct MI25 MxGPU is 420 MHz higher, than GeForce GTX 660.
GeForce GTX 660 is manufactured by 28 nm process technology, and Radeon Instinct MI25 MxGPU - by 14 nm process technology.
Radeon Instinct MI25 MxGPU is 258 mm longer, than GeForce GTX 660.
Memory clock speed of Radeon Instinct MI25 MxGPU is 1698 MHz higher, than GeForce GTX 660.

Game benchmarks


high / 1080p	20−22	50−55
ultra / 1080p	12−14	35−40
QHD / 1440p	6−7	27−30
4K / 2160p	5−6	16−18
low / 720p	40−45	80−85
medium / 1080p	24−27	60−65
The average gaming FPS of Radeon Instinct MI25 MxGPU in Assassin's Creed Odyssey is 142% more, than GeForce GTX 660.
high / 1080p	30−35	80−85
ultra / 1080p	27−30	75−80
QHD / 1440p	10−12	55−60
4K / 2160p	8−9	30−33
low / 720p	65−70	130−140
medium / 1080p	35−40	95−100
The average gaming FPS of Radeon Instinct MI25 MxGPU in Battlefield 5 is 166% more, than GeForce GTX 660.
low / 768p	50−55	45−50
QHD / 1440p	0−1	−
The average gaming FPS of GeForce GTX 660 in Call of Duty: Warzone is 10% more, than Radeon Instinct MI25 MxGPU.
low / 768p	230−240	250−260
medium / 768p	200−210	230−240
ultra / 1080p	120−130	−
QHD / 1440p	90−95	150−160
4K / 2160p	50−55	100−110
high / 768p	160−170	220−230
The average gaming FPS of Radeon Instinct MI25 MxGPU in Counter-Strike: Global Offensive is 30% more, than GeForce GTX 660.
low / 768p	60−65	70−75
ultra / 1080p	50−55	−
medium / 1080p	55−60	50−55
The average gaming FPS of Radeon Instinct MI25 MxGPU in Cyberpunk 2077 is 3% more, than GeForce GTX 660.
low / 768p	120−130	120−130
medium / 768p	100−110	110−120
ultra / 1080p	80−85	110−120
The average gaming FPS of Radeon Instinct MI25 MxGPU in Dota 2 is 13% more, than GeForce GTX 660.
high / 1080p	24−27	65−70
ultra / 1080p	21−24	65−70
QHD / 1440p	18−20	45−50
4K / 2160p	8−9	24−27
low / 720p	50−55	100−110
medium / 1080p	27−30	70−75
The average gaming FPS of Radeon Instinct MI25 MxGPU in Far Cry 5 is 146% more, than GeForce GTX 660.
high / 1080p	30−35	100−105
ultra / 1080p	24−27	75−80
QHD / 1440p	16−18	50−55
4K / 2160p	−	21−24
low / 720p	120−130	220−230
medium / 1080p	70−75	150−160
The average gaming FPS of Radeon Instinct MI25 MxGPU in Fortnite is 125% more, than GeForce GTX 660.
high / 1080p	30−35	90−95
ultra / 1080p	24−27	70−75
QHD / 1440p	14−16	50−55
4K / 2160p	12−14	35−40
low / 720p	65−70	140−150
medium / 1080p	35−40	95−100
The average gaming FPS of Radeon Instinct MI25 MxGPU in Forza Horizon 4 is 164% more, than GeForce GTX 660.
low / 768p	100−110	160−170
medium / 768p	90−95	150−160
high / 1080p	40−45	100−110
ultra / 1080p	16−18	50−55
QHD / 1440p	7−8	45−50
The average gaming FPS of Radeon Instinct MI25 MxGPU in Grand Theft Auto V is 101% more, than GeForce GTX 660.
high / 1080p	12−14	40−45
ultra / 1080p	10−11	30−35
QHD / 1440p	10−11	24−27
4K / 2160p	3−4	16−18
low / 720p	40−45	100−105
medium / 1080p	18−20	55−60
The average gaming FPS of Radeon Instinct MI25 MxGPU in Metro Exodus is 187% more, than GeForce GTX 660.
low / 768p	120−130	120−130
medium / 1080p	110−120	−
GeForce GTX 660 and Radeon Instinct MI25 MxGPU have the same average FPS in Minecraft.
high / 1080p	−	85−90
ultra / 1080p	14−16	60−65
4K / 2160p	−	18−20
low / 720p	70−75	130−140
medium / 1080p	18−20	95−100
The average gaming FPS of Radeon Instinct MI25 MxGPU in PLAYERUNKNOWN'S BATTLEGROUNDS is 180% more, than GeForce GTX 660.
high / 1080p	14−16	40−45
ultra / 1080p	10−11	24−27
QHD / 1440p	1−2	18−20
4K / 2160p	1−2	12−14
low / 720p	35−40	100−105
medium / 1080p	21−24	60−65
The average gaming FPS of Radeon Instinct MI25 MxGPU in Red Dead Redemption 2 is 214% more, than GeForce GTX 660.
low / 768p	70−75	200−210
medium / 768p	45−50	130−140
high / 1080p	24−27	75−80
ultra / 1080p	14−16	40−45
4K / 2160p	8−9	27−30
The average gaming FPS of Radeon Instinct MI25 MxGPU in The Witcher 3: Wild Hunt is 193% more, than GeForce GTX 660.
low / 768p	90−95	130−140
medium / 768p	60−65	−
ultra / 1080p	40−45	65−70
high / 768p	55−60	−
The average gaming FPS of Radeon Instinct MI25 MxGPU in World of Tanks is 50% more, than GeForce GTX 660.

Full Specs

	GeForce GTX 660	Radeon Instinct MI25 MxGPU
Architecture	Kepler	GCN 5.0
Code name	GK106	Vega 10
Type	Desktop	Desktop
Release date	6 September 2012	27 June 2017
Pipelines	960	4096
Core clock speed	980 MHz	1400 MHz
Boost Clock	1033 MHz	1500 MHz
Transistor count	2,540 million	12,500 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	78.4 billion/sec	384.0
Floating-point performance	1,981 gflops
Length	9.5" (24.1 cm)	267 mm
Memory bus width	192-bit GDDR5	2048 Bit
Memory clock speed	6.0 GB/s	1704 MHz
Memory bandwidth	144.2 GB/s	436.2 GB/s
DirectX	12 (11_0)	12 (12_1)
Shader Model	5.1	6.4
OpenGL	4.3	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	1.1.125
CUDA	+
CUDA cores	960
Bus support	PCI Express 3.0
Height	4.376" (11.1 cm)
SLI options	+
Multi monitor support	4 displays
HDMI	+
HDCP	+
Maximum VGA resolution	2048x1536
Audio input for HDMI	Internal
3D Blu-Ray	+
3D Gaming	+
3D Vision	+
Bitcoin / BTC (SHA256)	66 Mh/s
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GeForce GTX 660 vs Radeon Instinct MI25 MxGPU

Main Specs

Game benchmarks

Full Specs

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