Radeon HD 6450 GDDR5 vs Quadro K620
Aggregate performance score
We've compared Quadro K620 with Radeon HD 6450 GDDR5, including specs and performance data.
K620 outperforms HD 6450 GDDR5 by a whopping 496% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 607 | 1127 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.71 | no data |
| Power efficiency | 8.86 | 2.48 |
| Architecture | Maxwell (2014−2017) | Terascale 2 (2009−2015) |
| GPU code name | GM107 | Caicos |
| Market segment | Workstation | Desktop |
| Release date | 22 July 2014 (10 years ago) | 18 April 2011 (13 years ago) |
| Launch price (MSRP) | $189.89 | no data |
Cost-effectiveness evaluation
The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.
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 | 160 |
| Core clock speed | 1058 MHz | 750 MHz |
| Boost clock speed | 1124 MHz | no data |
| Number of transistors | 1,870 million | no data |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | 41 Watt | 27 Watt |
| Texture fill rate | 26.98 | no data |
| Floating-point processing power | 0.8632 TFLOPS | no data |
| ROPs | 16 | no data |
| TMUs | 24 | 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 2.0 x16 | no data |
| Length | 160 mm | no data |
| Width | 1" (2.5 cm) | no data |
| Supplementary power connectors | None | 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 | 128 Bit | GDDR5 |
| Maximum RAM amount | 2 GB | 1 GB |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 900 MHz | 900 MHz |
| Memory bandwidth | Up to 29 GB/s | no data |
| Shared memory | no data | - |
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 | 1x DVI, 1x DisplayPort | no data |
| Number of simultaneous displays | 4 | no data |
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 compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 | 11 |
| Shader Model | 5.1 | no data |
| OpenGL | 4.5 | no data |
| OpenCL | 1.2 | no data |
| Vulkan | 1.1.126 | - |
| CUDA | 5.0 | - |
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 | 40−45
+471%
| 7
−471%
|
| Full HD | 85−90
+467%
| 15
−467%
|
| 1200p | 27−30
+440%
| 5
−440%
|
Cost per frame, $
| 1080p | 2.23 | no data |
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 6−7
+0%
|
6−7
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
Full HD
Medium Preset
| Counter-Strike 2 | 6−7
+0%
|
6−7
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| Red Dead Redemption 2 | 6−7
+0%
|
6−7
+0%
|
Full HD
High Preset
| Counter-Strike 2 | 6−7
+0%
|
6−7
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Far Cry 5 | 10−11
+0%
|
10−11
+0%
|
| Fortnite | 3−4
+0%
|
3−4
+0%
|
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+0%
|
12−14
+0%
|
| Red Dead Redemption 2 | 6−7
+0%
|
6−7
+0%
|
| The Witcher 3: Wild Hunt | 6−7
+0%
|
6−7
+0%
|
| World of Tanks | 29
+0%
|
29
+0%
|
Full HD
Ultra Preset
| Counter-Strike 2 | 6−7
+0%
|
6−7
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Far Cry 5 | 10−11
+0%
|
10−11
+0%
|
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+0%
|
12−14
+0%
|
1440p
High Preset
| PLAYERUNKNOWN'S BATTLEGROUNDS | 5−6
+0%
|
5−6
+0%
|
| World of Tanks | 5−6
+0%
|
5−6
+0%
|
1440p
Ultra Preset
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Far Cry 5 | 5−6
+0%
|
5−6
+0%
|
| The Witcher 3: Wild Hunt | 4−5
+0%
|
4−5
+0%
|
| Valorant | 6−7
+0%
|
6−7
+0%
|
4K
High Preset
| Dota 2 | 16−18
+0%
|
16−18
+0%
|
| 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 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 16−18
+0%
|
16−18
+0%
|
| Far Cry 5 | 0−1 | 0−1 |
| Valorant | 1−2
+0%
|
1−2
+0%
|
This is how Quadro K620 and HD 6450 GDDR5 compete in popular games:
- Quadro K620 is 471% faster in 900p
- Quadro K620 is 467% faster in 1080p
- Quadro K620 is 440% faster in 1200p
All in all, in popular games:
- there's a draw in 34 tests (100%)
Pros & cons summary
| Performance score | 5.60 | 0.94 |
| Recency | 22 July 2014 | 18 April 2011 |
| Maximum RAM amount | 2 GB | 1 GB |
| Chip lithography | 28 nm | 40 nm |
| Power consumption (TDP) | 41 Watt | 27 Watt |
Quadro K620 has a 495.7% higher aggregate performance score, an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.
HD 6450 GDDR5, on the other hand, has 51.9% lower power consumption.
The Quadro K620 is our recommended choice as it beats the Radeon HD 6450 GDDR5 in performance tests.
Be aware that Quadro K620 is a workstation graphics card while Radeon HD 6450 GDDR5 is a desktop one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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