Radeon Pro 555X vs GeForce GTX 660 OEM
Aggregate performance score
We've compared GeForce GTX 660 OEM with Radeon Pro 555X, including specs and performance data.
Pro 555X outperforms GTX 660 OEM by a whopping 150% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 736 | 503 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.77 | 7.68 |
| Architecture | Kepler (2012−2018) | GCN 4.0 (2016−2020) |
| GPU code name | GK104 | Polaris 21 |
| Market segment | Desktop | Mobile workstation |
| Release date | 22 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 cores | 1152 | 768 |
| Core clock speed | 823 MHz | 907 MHz |
| Boost clock speed | 888 MHz | no data |
| Number of transistors | 3,540 million | 3,000 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 130 Watt | 75 Watt |
| Texture fill rate | 85.25 | 43.54 |
| Floating-point processing power | 2.046 TFLOPS | 1.393 TFLOPS |
| ROPs | 32 | 16 |
| TMUs | 96 | 48 |
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 size | no data | large |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
| Length | 241 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | None |
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 type | GDDR5 | GDDR5 |
| Maximum RAM amount | 2 GB | 4 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 1400 MHz | 1275 MHz |
| Memory bandwidth | 179.2 GB/s | 81.6 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 Connectors | 2x DVI, 1x HDMI, 1x DisplayPort | No 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.
| DirectX | 12 (11_0) | 12 (12_0) |
| Shader Model | 5.1 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 3.0 | - |
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 | 8.40 |
| 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 150% 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.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
