Radeon HD 6520G vs GeForce GTX 660 OEM
Aggregate performance score
We've compared GeForce GTX 660 OEM with Radeon HD 6520G, including specs and performance data.
660 OEM outperforms HD 6520G by a whopping 331% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 804 | 1226 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.83 | 1.58 |
| Architecture | Kepler (2012−2018) | TeraScale 2 (2009−2015) |
| GPU code name | GK104 | Sumo |
| Market segment | Desktop | Laptop |
| Release date | 22 August 2012 (13 years ago) | 7 December 2011 (14 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 | 320 |
| Core clock speed | 823 MHz | 400 MHz |
| Boost clock speed | 888 MHz | no data |
| Number of transistors | 3,540 million | 1,178 million |
| Manufacturing process technology | 28 nm | 32 nm |
| Power consumption (TDP) | 130 Watt | 35 Watt |
| Texture fill rate | 85.25 | 6.400 |
| Floating-point processing power | 2.046 TFLOPS | 0.256 TFLOPS |
| ROPs | 32 | 8 |
| TMUs | 96 | 16 |
| L1 Cache | 96 KB | no data |
| L2 Cache | 512 KB | no data |
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).
| Interface | PCIe 3.0 x16 | IGP |
| Length | 241 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | no 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 type | GDDR5 | System Shared |
| Maximum RAM amount | 2 GB | System Shared |
| Memory bus width | 256 Bit | System Shared |
| Memory clock speed | 1400 MHz | System Shared |
| Memory bandwidth | 179.2 GB/s | no data |
| Shared memory | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 2x DVI, 1x HDMI, 1x DisplayPort | No outputs |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 11.2 (11_0) |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | N/A |
| 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.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| 900p | 30−35
+275%
| 8
−275%
|
| Full HD | 24−27
+300%
| 6
−300%
|
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
Full HD
Medium
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 5−6
+0%
|
5−6
+0%
|
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
+0%
|
8−9
+0%
|
| Valorant | 27−30
+0%
|
27−30
+0%
|
Full HD
High
| Counter-Strike: Global Offensive | 21−24
+0%
|
21−24
+0%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 12−14
+0%
|
12−14
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 5−6
+0%
|
5−6
+0%
|
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
| Metro Exodus | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
+0%
|
8−9
+0%
|
| The Witcher 3: Wild Hunt | 6−7
+0%
|
6−7
+0%
|
| Valorant | 27−30
+0%
|
27−30
+0%
|
Full HD
Ultra
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 12−14
+0%
|
12−14
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 5−6
+0%
|
5−6
+0%
|
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
+0%
|
8−9
+0%
|
| The Witcher 3: Wild Hunt | 6−7
+0%
|
6−7
+0%
|
| Valorant | 27−30
+0%
|
27−30
+0%
|
1440p
High
| Counter-Strike 2 | 3−4
+0%
|
3−4
+0%
|
| Counter-Strike: Global Offensive | 4−5
+0%
|
4−5
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
+0%
|
8−9
+0%
|
1440p
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 0−1 | 0−1 |
| Forza Horizon 4 | 2−3
+0%
|
2−3
+0%
|
| Hogwarts Legacy | 0−1 | 0−1 |
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
1440p
Epic
| Fortnite | 1−2
+0%
|
1−2
+0%
|
4K
High
| Grand Theft Auto V | 14−16
+0%
|
14−16
+0%
|
| Valorant | 4−5
+0%
|
4−5
+0%
|
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
+0%
|
2−3
+0%
|
4K
Epic
| Fortnite | 2−3
+0%
|
2−3
+0%
|
This is how GTX 660 OEM and HD 6520G compete in popular games:
- GTX 660 OEM is 275% faster in 900p
- GTX 660 OEM is 300% faster in 1080p
All in all, in popular games:
- there's a draw in 36 tests (100%)
Pros & cons summary
| Performance score | 3.10 | 0.72 |
| Recency | 22 August 2012 | 7 December 2011 |
| Chip lithography | 28 nm | 32 nm |
| Power consumption (TDP) | 130 Watt | 35 Watt |
GTX 660 OEM has a 330.6% higher aggregate performance score, an age advantage of 8 months, and a 14.3% more advanced lithography process.
HD 6520G, on the other hand, has 271.4% lower power consumption.
The GeForce GTX 660 OEM is our recommended choice as it beats the Radeon HD 6520G in performance tests.
Be aware that GeForce GTX 660 OEM is a desktop graphics card while Radeon HD 6520G is a notebook one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
