Radeon Pro 555X vs GeForce GTX 660 OEM

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Aggregate performance score

We've compared GeForce GTX 660 OEM with Radeon Pro 555X, including specs and performance data.

GTX 660 OEM
2012
2 GB GDDR5, 130 Watt
3.36

Pro 555X outperforms GTX 660 OEM by a whopping 149% based on our aggregate benchmark results.

Primary details

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

Place in the ranking731497
Place by popularitynot in top-100not in top-100
Power efficiency1.868.06
ArchitectureKepler (2012−2018)GCN 4.0 (2016−2020)
GPU code nameGK104Polaris 21
Market segmentDesktopMobile workstation
Release date22 August 2012 (12 years ago)16 July 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 cores1152768
Core clock speed823 MHz907 MHz
Boost clock speed888 MHzno data
Number of transistors3,540 million3,000 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)130 Watt75 Watt
Texture fill rate85.2543.54
Floating-point processing power2.046 TFLOPS1.393 TFLOPS
ROPs3216
TMUs9648

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).

Laptop sizeno datalarge
InterfacePCIe 3.0 x16PCIe 3.0 x8
Length241 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinNone

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 typeGDDR5GDDR5
Maximum RAM amount2 GB4 GB
Memory bus width256 Bit128 Bit
Memory clock speed1400 MHz1275 MHz
Memory bandwidth179.2 GB/s81.6 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+-

Supported technologies

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

FreeSync-+

API compatibility

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

DirectX12 (11_0)12 (12_0)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.0
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

Cyberpunk 2077 12−14
+0%
12−14
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 21−24
+0%
21−24
+0%
Assassin's Creed Valhalla 12−14
+0%
12−14
+0%
Battlefield 5 24−27
+0%
24−27
+0%
Call of Duty: Modern Warfare 16−18
+0%
16−18
+0%
Cyberpunk 2077 12−14
+0%
12−14
+0%
Far Cry 5 18−20
+0%
18−20
+0%
Far Cry New Dawn 21−24
+0%
21−24
+0%
Forza Horizon 4 55−60
+0%
55−60
+0%
Hitman 3 16−18
+0%
16−18
+0%
Horizon Zero Dawn 45−50
+0%
45−50
+0%
Metro Exodus 24−27
+0%
24−27
+0%
Red Dead Redemption 2 21−24
+0%
21−24
+0%
Shadow of the Tomb Raider 27−30
+0%
27−30
+0%
Watch Dogs: Legion 55−60
+0%
55−60
+0%

Full HD
High Preset

Assassin's Creed Odyssey 21−24
+0%
21−24
+0%
Assassin's Creed Valhalla 12−14
+0%
12−14
+0%
Battlefield 5 24−27
+0%
24−27
+0%
Call of Duty: Modern Warfare 16−18
+0%
16−18
+0%
Cyberpunk 2077 12−14
+0%
12−14
+0%
Far Cry 5 18−20
+0%
18−20
+0%
Far Cry New Dawn 21−24
+0%
21−24
+0%
Forza Horizon 4 55−60
+0%
55−60
+0%
Hitman 3 16−18
+0%
16−18
+0%
Horizon Zero Dawn 45−50
+0%
45−50
+0%
Metro Exodus 24−27
+0%
24−27
+0%
Red Dead Redemption 2 21−24
+0%
21−24
+0%
Shadow of the Tomb Raider 27−30
+0%
27−30
+0%
The Witcher 3: Wild Hunt 24−27
+0%
24−27
+0%
Watch Dogs: Legion 55−60
+0%
55−60
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 21−24
+0%
21−24
+0%
Assassin's Creed Valhalla 12−14
+0%
12−14
+0%
Call of Duty: Modern Warfare 16−18
+0%
16−18
+0%
Cyberpunk 2077 12−14
+0%
12−14
+0%
Far Cry 5 18−20
+0%
18−20
+0%
Forza Horizon 4 55−60
+0%
55−60
+0%
Hitman 3 16−18
+0%
16−18
+0%
Horizon Zero Dawn 45−50
+0%
45−50
+0%
Shadow of the Tomb Raider 27−30
+0%
27−30
+0%
The Witcher 3: Wild Hunt 24−27
+0%
24−27
+0%
Watch Dogs: Legion 55−60
+0%
55−60
+0%

Full HD
Epic Preset

Red Dead Redemption 2 21−24
+0%
21−24
+0%

1440p
High Preset

Battlefield 5 16−18
+0%
16−18
+0%
Far Cry New Dawn 12−14
+0%
12−14
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 8−9
+0%
8−9
+0%
Assassin's Creed Valhalla 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 10−11
+0%
10−11
+0%
Forza Horizon 4 30−35
+0%
30−35
+0%
Hitman 3 12−14
+0%
12−14
+0%
Horizon Zero Dawn 18−20
+0%
18−20
+0%
Metro Exodus 10−12
+0%
10−12
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 8−9
+0%
8−9
+0%
Watch Dogs: Legion 50−55
+0%
50−55
+0%

1440p
Epic Preset

Red Dead Redemption 2 14−16
+0%
14−16
+0%

4K
High Preset

Battlefield 5 7−8
+0%
7−8
+0%
Far Cry New Dawn 6−7
+0%
6−7
+0%
Hitman 3 4−5
+0%
4−5
+0%
Horizon Zero Dawn 30−35
+0%
30−35
+0%
Metro Exodus 6−7
+0%
6−7
+0%
The Witcher 3: Wild Hunt 5−6
+0%
5−6
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Assassin's Creed Valhalla 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 4−5
+0%
4−5
+0%
Forza Horizon 4 10−11
+0%
10−11
+0%
Shadow of the Tomb Raider 4−5
+0%
4−5
+0%
Watch Dogs: Legion 3−4
+0%
3−4
+0%

4K
Epic Preset

Red Dead Redemption 2 8−9
+0%
8−9
+0%

All in all, in popular games:

  • there's a draw in 72 tests (100%)

Pros & cons summary


Performance score 3.36 8.38
Recency 22 August 2012 16 July 2018
Maximum RAM amount 2 GB 4 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 130 Watt 75 Watt

Pro 555X has a 149.4% higher aggregate performance score, an age advantage of 5 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 73.3% lower power consumption.

The Radeon Pro 555X is our recommended choice as it beats the GeForce GTX 660 OEM in performance tests.

Be aware that GeForce GTX 660 OEM is a desktop card while Radeon Pro 555X is a mobile workstation 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 Pro 555X
Radeon Pro 555X

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


3.8 34 votes

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3.8 165 votes

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Questions & comments

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