Quadro K420 vs Radeon HD 7660D
Aggregate performance score
We've compared Radeon HD 7660D with Quadro K420, including specs and performance data.
K420 outperforms HD 7660D by a considerable 43% 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 | 1086 | 971 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.09 | 0.08 |
| Power efficiency | 0.94 | 3.25 |
| Architecture | TeraScale 3 (2010−2013) | Kepler (2012−2018) |
| GPU code name | Devastator | GK107 |
| Market segment | Desktop | Workstation |
| Release date | 2 October 2012 (13 years ago) | 22 July 2014 (11 years ago) |
| Launch price (MSRP) | $122 | $96.67 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
HD 7660D has 13% better value for money than Quadro K420.
Performance to price scatter graph
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 | 384 | 192 |
| Core clock speed | 800 MHz | 876 MHz |
| Boost clock speed | 800 MHz | no data |
| Number of transistors | 1,303 million | 1,270 million |
| Manufacturing process technology | 32 nm | 28 nm |
| Power consumption (TDP) | 100 Watt | 41 Watt |
| Texture fill rate | 19.20 | 14.02 |
| Floating-point processing power | 0.6144 TFLOPS | 0.3364 TFLOPS |
| ROPs | 8 | 16 |
| TMUs | 24 | 16 |
| L1 Cache | no data | 16 KB |
| L2 Cache | no data | 256 KB |
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 | IGP | PCIe 2.0 x16 |
| Length | no data | 160 mm |
| Width | IGP | 1" (2.5 cm) |
| Supplementary power connectors | no data | 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 | System Shared | 128 Bit |
| Maximum RAM amount | System Shared | 1 GB/2 GB |
| Memory bus width | System Shared | 128 Bit |
| Memory clock speed | System Shared | 891 MHz |
| Memory bandwidth | no data | Up to 29 GB/s |
| Shared memory | + | no data |
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 | No outputs | 1x DVI, 1x DisplayPort |
| Number of simultaneous displays | no data | 4 |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| 3D Vision Pro | no data | + |
| Mosaic | no data | + |
| nView Desktop Management | no data | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 12 |
| Shader Model | 5.0 | 5.1 |
| OpenGL | 4.4 | 4.5 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | N/A | 1.1.126 |
| CUDA | - | 3.0 |
Synthetic benchmarks
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.
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.
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 HD | 17
−41.2%
| 24−27
+41.2%
|
Cost per frame, $
| 1080p | 7.18
−78.2%
| 4.03
+78.2%
|
- Quadro K420 has 78% lower cost per frame in 1080p
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 3−4
−33.3%
|
4−5
+33.3%
|
| Hogwarts Legacy | 6−7
−33.3%
|
8−9
+33.3%
|
Full HD
Medium
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Cyberpunk 2077 | 3−4
−33.3%
|
4−5
+33.3%
|
| Far Cry 5 | 2−3
+0%
|
2−3
+0%
|
| Fortnite | 3−4
−33.3%
|
4−5
+33.3%
|
| Forza Horizon 4 | 8−9
−25%
|
10−11
+25%
|
| Forza Horizon 5 | 1−2
+0%
|
1−2
+0%
|
| Hogwarts Legacy | 6−7
−33.3%
|
8−9
+33.3%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
−33.3%
|
12−14
+33.3%
|
| Valorant | 30−35
−36.4%
|
45−50
+36.4%
|
Full HD
High
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Counter-Strike: Global Offensive | 54
−38.9%
|
75−80
+38.9%
|
| Cyberpunk 2077 | 3−4
−33.3%
|
4−5
+33.3%
|
| Dota 2 | 16−18
−31.3%
|
21−24
+31.3%
|
| Far Cry 5 | 2−3
+0%
|
2−3
+0%
|
| Fortnite | 3−4
−33.3%
|
4−5
+33.3%
|
| Forza Horizon 4 | 8−9
−25%
|
10−11
+25%
|
| Forza Horizon 5 | 1−2
+0%
|
1−2
+0%
|
| Grand Theft Auto V | 0−1 | 0−1 |
| Hogwarts Legacy | 6−7
−33.3%
|
8−9
+33.3%
|
| Metro Exodus | 2−3
+0%
|
2−3
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
−33.3%
|
12−14
+33.3%
|
| The Witcher 3: Wild Hunt | 6−7
−33.3%
|
8−9
+33.3%
|
| Valorant | 30−35
−36.4%
|
45−50
+36.4%
|
Full HD
Ultra
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Cyberpunk 2077 | 3−4
−33.3%
|
4−5
+33.3%
|
| Dota 2 | 16−18
−31.3%
|
21−24
+31.3%
|
| Far Cry 5 | 2−3
+0%
|
2−3
+0%
|
| Forza Horizon 4 | 8−9
−25%
|
10−11
+25%
|
| Hogwarts Legacy | 6−7
−33.3%
|
8−9
+33.3%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
−33.3%
|
12−14
+33.3%
|
| The Witcher 3: Wild Hunt | 6−7
−33.3%
|
8−9
+33.3%
|
| Valorant | 30−35
−36.4%
|
45−50
+36.4%
|
Full HD
Epic
| Fortnite | 3−4
−33.3%
|
4−5
+33.3%
|
1440p
High
| Counter-Strike 2 | 4−5
−25%
|
5−6
+25%
|
| Counter-Strike: Global Offensive | 8−9
−25%
|
10−11
+25%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−38.5%
|
18−20
+38.5%
|
| Valorant | 4−5
−25%
|
5−6
+25%
|
1440p
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 3−4
−33.3%
|
4−5
+33.3%
|
| Hogwarts Legacy | 1−2
+0%
|
1−2
+0%
|
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
1440p
Epic
| Fortnite | 2−3
+0%
|
2−3
+0%
|
4K
High
| Grand Theft Auto V | 14−16
−28.6%
|
18−20
+28.6%
|
| Valorant | 6−7
−33.3%
|
8−9
+33.3%
|
4K
Ultra
| Dota 2 | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
+0%
|
2−3
+0%
|
4K
Epic
| Fortnite | 2−3
+0%
|
2−3
+0%
|
This is how HD 7660D and Quadro K420 compete in popular games:
- Quadro K420 is 41% faster in 1080p
Pros & cons summary
| Performance score | 1.22 | 1.74 |
| Recency | 2 October 2012 | 22 July 2014 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 100 Watt | 41 Watt |
Quadro K420 has a 42.6% higher aggregate performance score, an age advantage of 1 year, a 14.3% more advanced lithography process, and 143.9% lower power consumption.
The Quadro K420 is our recommended choice as it beats the Radeon HD 7660D in performance tests.
Be aware that Radeon HD 7660D is a desktop graphics card while Quadro K420 is a workstation one.
Other comparisons
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