Radeon 620 vs HD 6450M
Aggregate performance score
We've compared Radeon HD 6450M and Radeon 620, covering specs and all relevant benchmarks.
620 outperforms HD 6450M by a whopping 280% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1265 | 903 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 3.51 |
| Architecture | TeraScale 2 (2009−2015) | GCN 3.0 (2014−2019) |
| GPU code name | Seymour | Polaris 24 |
| Market segment | Laptop | Laptop |
| Release date | 4 January 2011 (15 years ago) | 13 May 2019 (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 | 160 | 384 |
| Core clock speed | 600 MHz | 730 MHz |
| Boost clock speed | no data | 1024 MHz |
| Number of transistors | 370 million | 1,550 million |
| Manufacturing process technology | 40 nm | 28 nm |
| Power consumption (TDP) | no data | 50 Watt |
| Texture fill rate | 4.800 | 24.58 |
| Floating-point processing power | 0.192 TFLOPS | 0.7864 TFLOPS |
| ROPs | 4 | 8 |
| TMUs | 8 | 24 |
| L1 Cache | 16 KB | 96 KB |
| L2 Cache | 128 KB | 128 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 | PCIe 2.0 x16 | PCIe 3.0 x8 |
| 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 | DDR3 | DDR3 |
| Maximum RAM amount | 1 GB | 2 GB |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 800 MHz | 900 MHz |
| Memory bandwidth | 12.8 GB/s | 14.4 GB/s |
| 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 | No outputs | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 12 (12_0) |
| Shader Model | 5.0 | 6.3 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | N/A | 1.2.131 |
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 | 8
−275%
| 30−35
+275%
|
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 1−2
−400%
|
5−6
+400%
|
| Hogwarts Legacy | 5−6
−40%
|
7−8
+40%
|
Full HD
Medium
| Cyberpunk 2077 | 1−2
−400%
|
5−6
+400%
|
| Far Cry 5 | 0−1 | 6−7 |
| Forza Horizon 4 | 5−6
−140%
|
12−14
+140%
|
| Hogwarts Legacy | 5−6
−40%
|
7−8
+40%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−50%
|
12−14
+50%
|
| Valorant | 27−30
−46.4%
|
40−45
+46.4%
|
Full HD
High
| Counter-Strike: Global Offensive | 18−20
−142%
|
45−50
+142%
|
| Cyberpunk 2077 | 1−2
−400%
|
5−6
+400%
|
| Dota 2 | 12−14
−100%
|
24−27
+100%
|
| Far Cry 5 | 0−1 | 6−7 |
| Forza Horizon 4 | 5−6
−140%
|
12−14
+140%
|
| Hogwarts Legacy | 5−6
−40%
|
7−8
+40%
|
| Metro Exodus | 0−1 | 4−5 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−50%
|
12−14
+50%
|
| The Witcher 3: Wild Hunt | 5−6
−80%
|
9−10
+80%
|
| Valorant | 27−30
−46.4%
|
40−45
+46.4%
|
Full HD
Ultra
| Cyberpunk 2077 | 1−2
−400%
|
5−6
+400%
|
| Dota 2 | 12−14
−100%
|
24−27
+100%
|
| Far Cry 5 | 0−1 | 6−7 |
| Forza Horizon 4 | 5−6
−140%
|
12−14
+140%
|
| Hogwarts Legacy | 5−6
−40%
|
7−8
+40%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−50%
|
12−14
+50%
|
| The Witcher 3: Wild Hunt | 5−6
−80%
|
9−10
+80%
|
| Valorant | 27−30
−46.4%
|
40−45
+46.4%
|
1440p
High
| Counter-Strike 2 | 3−4
−100%
|
6−7
+100%
|
| Counter-Strike: Global Offensive | 3−4
−467%
|
16−18
+467%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 6−7
−267%
|
21−24
+267%
|
1440p
Ultra
| Forza Horizon 4 | 2−3
−200%
|
6−7
+200%
|
| Hogwarts Legacy | 0−1 | 2−3 |
| The Witcher 3: Wild Hunt | 2−3
−100%
|
4−5
+100%
|
1440p
Epic
| Fortnite | 1−2
−300%
|
4−5
+300%
|
4K
High
| Grand Theft Auto V | 14−16
−7.1%
|
14−16
+7.1%
|
| Valorant | 3−4
−267%
|
10−12
+267%
|
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
−50%
|
3−4
+50%
|
4K
Epic
| Fortnite | 2−3
−50%
|
3−4
+50%
|
Full HD
Low
| Counter-Strike 2 | 5−6
+0%
|
5−6
+0%
|
Full HD
Medium
| Battlefield 5 | 7−8
+0%
|
7−8
+0%
|
| Counter-Strike 2 | 5−6
+0%
|
5−6
+0%
|
| Fortnite | 10−12
+0%
|
10−12
+0%
|
| Forza Horizon 5 | 5−6
+0%
|
5−6
+0%
|
Full HD
High
| Battlefield 5 | 7−8
+0%
|
7−8
+0%
|
| Counter-Strike 2 | 5−6
+0%
|
5−6
+0%
|
| Fortnite | 10−12
+0%
|
10−12
+0%
|
| Forza Horizon 5 | 5−6
+0%
|
5−6
+0%
|
| Grand Theft Auto V | 5−6
+0%
|
5−6
+0%
|
Full HD
Ultra
| Battlefield 5 | 7−8
+0%
|
7−8
+0%
|
Full HD
Epic
| Fortnite | 10−12
+0%
|
10−12
+0%
|
1440p
High
| Valorant | 18−20
+0%
|
18−20
+0%
|
1440p
Ultra
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Far Cry 5 | 4−5
+0%
|
4−5
+0%
|
4K
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Dota 2 | 6−7
+0%
|
6−7
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 1−2
+0%
|
1−2
+0%
|
This is how HD 6450M and Radeon 620 compete in popular games:
- Radeon 620 is 275% faster in 1080p
Here's the range of performance differences observed across popular games:
- in Counter-Strike: Global Offensive, with 1440p resolution and the High Preset, the Radeon 620 is 467% faster.
All in all, in popular games:
- Radeon 620 performs better in 32 tests (64%)
- there's a draw in 18 tests (36%)
Pros & cons summary
| Performance score | 0.60 | 2.28 |
| Recency | 4 January 2011 | 13 May 2019 |
| Maximum RAM amount | 1 GB | 2 GB |
| Chip lithography | 40 nm | 28 nm |
Radeon 620 has a 280% higher aggregate performance score, an age advantage of 8 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.
The Radeon 620 is our recommended choice as it beats the Radeon HD 6450M in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
