Radeon 660M vs R9 390

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Aggregate performance score

We've compared Radeon R9 390 with Radeon 660M, including specs and performance data.

R9 390
2015
0 MB GDDR5, 275 Watt
23.02
+236%

R9 390 outperforms 660M by a whopping 236% based on our aggregate benchmark results.

Primary details

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

Place in the ranking250568
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation11.78no data
Power efficiency5.7811.82
ArchitectureGCN 2.0 (2013−2017)RDNA 2.0 (2020−2024)
GPU code nameGrenadaRembrandt+
Market segmentDesktopLaptop
Designreferenceno data
Release date18 June 2015 (9 years ago)3 January 2023 (2 years ago)
Launch price (MSRP)$329 no data

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

no data

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 cores2560384
Core clock speedno data1500 MHz
Boost clock speed1000 MHz1900 MHz
Number of transistors6,200 million13,100 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)275 Watt40 Watt
Texture fill rate160.045.60
Floating-point processing power5.12 TFLOPS1.459 TFLOPS
ROPs6416
TMUs16024
Ray Tracing Coresno data6

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).

Bus supportPCIe 3.0no data
InterfacePCIe 3.0 x16PCIe 4.0 x8
Length275 mmno data
Width2-slotno data
Supplementary power connectors1 x 6-pin, 1 x 8-pinNone
Bridgeless CrossFire+-

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 typeGDDR5System Shared
High bandwidth memory (HBM)-no data
Maximum RAM amount0 MBSystem Shared
Memory bus width512 BitSystem Shared
Memory clock speed1000 MHzSystem Shared
Memory bandwidth384 GB/sno data
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 Connectors2x DVI, 1x HDMI, 1x DisplayPortPortable Device Dependent
Eyefinity+-
Number of Eyefinity displays6no data
HDMI+-
DisplayPort support+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire+-
FreeSync+-
PowerTune+-
TrueAudio+-
VCE+-
DDMA audio+no data

API and SDK compatibility

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

DirectXDirectX® 1212 Ultimate (12_2)
Shader Model6.36.7
OpenGL4.64.6
OpenCL2.02.0
Vulkan+1.3
Mantle+-

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.

R9 390 23.02
+236%
Radeon 660M 6.85

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.

R9 390 8899
+236%
Radeon 660M 2647

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

R9 390 12730
+163%
Radeon 660M 4848

Gaming performance

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

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD80−85
+220%
25
−220%

Cost per frame, $

1080p4.11no data

FPS performance in popular games

Full HD
Low Preset

Atomic Heart 29
+0%
29
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 24
+0%
24
+0%

Full HD
Medium Preset

Atomic Heart 23
+0%
23
+0%
Battlefield 5 27−30
+0%
27−30
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 20
+0%
20
+0%
Far Cry 5 30
+0%
30
+0%
Fortnite 35−40
+0%
35−40
+0%
Forza Horizon 4 27−30
+0%
27−30
+0%
Forza Horizon 5 30
+0%
30
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 24−27
+0%
24−27
+0%
Valorant 70−75
+0%
70−75
+0%

Full HD
High Preset

Atomic Heart 13
+0%
13
+0%
Battlefield 5 27−30
+0%
27−30
+0%
Counter-Strike 2 11
+0%
11
+0%
Counter-Strike: Global Offensive 100−110
+0%
100−110
+0%
Cyberpunk 2077 14
+0%
14
+0%
Dota 2 56
+0%
56
+0%
Far Cry 5 26
+0%
26
+0%
Fortnite 35−40
+0%
35−40
+0%
Forza Horizon 4 27−30
+0%
27−30
+0%
Forza Horizon 5 14−16
+0%
14−16
+0%
Grand Theft Auto V 25
+0%
25
+0%
Metro Exodus 15
+0%
15
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 24−27
+0%
24−27
+0%
The Witcher 3: Wild Hunt 26
+0%
26
+0%
Valorant 70−75
+0%
70−75
+0%

Full HD
Ultra Preset

Battlefield 5 27−30
+0%
27−30
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 12−14
+0%
12−14
+0%
Dota 2 48
+0%
48
+0%
Far Cry 5 25
+0%
25
+0%
Forza Horizon 4 27−30
+0%
27−30
+0%
Forza Horizon 5 14−16
+0%
14−16
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 24−27
+0%
24−27
+0%
The Witcher 3: Wild Hunt 15
+0%
15
+0%
Valorant 70−75
+0%
70−75
+0%

Full HD
Epic Preset

Fortnite 35−40
+0%
35−40
+0%

1440p
High Preset

Counter-Strike: Global Offensive 50−55
+0%
50−55
+0%
Grand Theft Auto V 8−9
+0%
8−9
+0%
Metro Exodus 6−7
+0%
6−7
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 35−40
+0%
35−40
+0%
Valorant 70−75
+0%
70−75
+0%

1440p
Ultra Preset

Battlefield 5 10−12
+0%
10−12
+0%
Counter-Strike 2 9−10
+0%
9−10
+0%
Cyberpunk 2077 5−6
+0%
5−6
+0%
Far Cry 5 12−14
+0%
12−14
+0%
Forza Horizon 4 14−16
+0%
14−16
+0%
Forza Horizon 5 10−12
+0%
10−12
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%

1440p
Epic Preset

Fortnite 12−14
+0%
12−14
+0%

4K
High Preset

Atomic Heart 5−6
+0%
5−6
+0%
Counter-Strike 2 1−2
+0%
1−2
+0%
Grand Theft Auto V 18−20
+0%
18−20
+0%
Metro Exodus 1−2
+0%
1−2
+0%
The Witcher 3: Wild Hunt 4−5
+0%
4−5
+0%
Valorant 30−35
+0%
30−35
+0%

4K
Ultra Preset

Battlefield 5 5−6
+0%
5−6
+0%
Counter-Strike 2 1−2
+0%
1−2
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Dota 2 21−24
+0%
21−24
+0%
Far Cry 5 7−8
+0%
7−8
+0%
Forza Horizon 4 10−11
+0%
10−11
+0%
Forza Horizon 5 4−5
+0%
4−5
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 6−7
+0%
6−7
+0%

4K
Epic Preset

Fortnite 6−7
+0%
6−7
+0%

This is how R9 390 and Radeon 660M compete in popular games:

  • R9 390 is 220% faster in 1080p

All in all, in popular games:

  • there's a draw in 67 tests (100%)

Pros & cons summary


Performance score 23.02 6.85
Recency 18 June 2015 3 January 2023
Chip lithography 28 nm 6 nm
Power consumption (TDP) 275 Watt 40 Watt

R9 390 has a 236.1% higher aggregate performance score.

Radeon 660M, on the other hand, has an age advantage of 7 years, a 366.7% more advanced lithography process, and 587.5% lower power consumption.

The Radeon R9 390 is our recommended choice as it beats the Radeon 660M in performance tests.

Be aware that Radeon R9 390 is a desktop card while Radeon 660M is a notebook one.

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AMD Radeon R9 390
Radeon R9 390
AMD Radeon 660M
Radeon 660M

Other comparisons

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.2 591 vote

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