Radeon R5 M420 vs GeForce GTX 660 OEM

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Aggregate performance score

We've compared GeForce GTX 660 OEM with Radeon R5 M420, including specs and performance data.

GTX 660 OEM
2012
2 GB GDDR5, 130 Watt
3.37
+165%

GTX 660 OEM outperforms R5 M420 by a whopping 165% based on our aggregate benchmark results.

Primary details

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

Place in the ranking7371038
Place by popularitynot in top-100not in top-100
Power efficiency1.79no data
ArchitectureKepler (2012−2018)GCN 1.0 (2011−2020)
GPU code nameGK104Jet
Market segmentDesktopLaptop
Release date22 August 2012 (12 years ago)15 May 2016 (8 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 cores1152320
Core clock speed823 MHz780 MHz
Boost clock speed888 MHz850 MHz
Number of transistors3,540 million690 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)130 Wattno data
Texture fill rate85.2517.00
Floating-point processing power2.046 TFLOPS0.544 TFLOPS
ROPs328
TMUs9620

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).

InterfacePCIe 3.0 x16PCIe 3.0 x8
Length241 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinno data

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 typeGDDR5DDR3
Maximum RAM amount2 GB4 GB
Memory bus width256 Bit64 Bit
Memory clock speed1400 MHz1000 MHz
Memory bandwidth179.2 GB/s16 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 Connectors2x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (11_0)12 (11_1)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.2.131
CUDA3.0-

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

Counter-Strike 2 9−10
+0%
9−10
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Elden Ring 0−1 0−1

Full HD
Medium Preset

Battlefield 5 1−2
+0%
1−2
+0%
Counter-Strike 2 9−10
+0%
9−10
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Forza Horizon 4 8−9
+0%
8−9
+0%
Red Dead Redemption 2 6−7
+0%
6−7
+0%

Full HD
High Preset

Battlefield 5 1−2
+0%
1−2
+0%
Counter-Strike 2 9−10
+0%
9−10
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Dota 2 1−2
+0%
1−2
+0%
Elden Ring 0−1 0−1
Far Cry 5 10−11
+0%
10−11
+0%
Fortnite 5−6
+0%
5−6
+0%
Forza Horizon 4 8−9
+0%
8−9
+0%
Grand Theft Auto V 1−2
+0%
1−2
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 14−16
+0%
14−16
+0%
Red Dead Redemption 2 6−7
+0%
6−7
+0%
The Witcher 3: Wild Hunt 7−8
+0%
7−8
+0%
World of Tanks 27−30
+0%
27−30
+0%

Full HD
Ultra Preset

Battlefield 5 1−2
+0%
1−2
+0%
Counter-Strike 2 9−10
+0%
9−10
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Dota 2 1−2
+0%
1−2
+0%
Far Cry 5 10−11
+0%
10−11
+0%
Forza Horizon 4 8−9
+0%
8−9
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 14−16
+0%
14−16
+0%

1440p
High Preset

PLAYERUNKNOWN'S BATTLEGROUNDS 8−9
+0%
8−9
+0%
Red Dead Redemption 2 0−1 0−1
World of Tanks 7−8
+0%
7−8
+0%

1440p
Ultra Preset

Counter-Strike 2 9−10
+0%
9−10
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Far Cry 5 5−6
+0%
5−6
+0%
The Witcher 3: Wild Hunt 2−3
+0%
2−3
+0%
Valorant 6−7
+0%
6−7
+0%

4K
High Preset

Dota 2 14−16
+0%
14−16
+0%
Elden Ring 0−1 0−1
Grand Theft Auto V 14−16
+0%
14−16
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 3−4
+0%
3−4
+0%
Red Dead Redemption 2 0−1 0−1
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%

4K
Ultra Preset

Battlefield 5 1−2
+0%
1−2
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Dota 2 14−16
+0%
14−16
+0%
Far Cry 5 0−1 0−1
Valorant 1−2
+0%
1−2
+0%

All in all, in popular games:

  • there's a draw in 41 test (100%)

Pros & cons summary


Performance score 3.37 1.27
Recency 22 August 2012 15 May 2016
Maximum RAM amount 2 GB 4 GB

GTX 660 OEM has a 165.4% higher aggregate performance score.

R5 M420, on the other hand, has an age advantage of 3 years, and a 100% higher maximum VRAM amount.

The GeForce GTX 660 OEM is our recommended choice as it beats the Radeon R5 M420 in performance tests.

Be aware that GeForce GTX 660 OEM is a desktop card while Radeon R5 M420 is a notebook one.


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

Vote for your favorite

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NVIDIA GeForce GTX 660 OEM
GeForce GTX 660 OEM
AMD Radeon R5 M420
Radeon R5 M420

Other comparisons

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Community ratings

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Questions & comments

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