Radeon HD 7450A vs HD 6450 GDDR5
Aggregate performance score
We've compared Radeon HD 6450 GDDR5 with Radeon HD 7450A, including specs and performance data.
HD 6450 GDDR5 outperforms HD 7450A by a significant 28% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1183 | 1225 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.51 | 2.13 |
| Architecture | Terascale 2 (2009−2015) | TeraScale 2 (2009−2015) |
| GPU code name | Caicos | Caicos |
| Market segment | Desktop | Laptop |
| Release date | 18 April 2011 (14 years ago) | 5 January 2012 (13 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 | 160 |
| Core clock speed | 750 MHz | 625 MHz |
| Number of transistors | no data | 370 million |
| Manufacturing process technology | 40 nm | 40 nm |
| Power consumption (TDP) | 27 Watt | 25 Watt |
| Texture fill rate | no data | 5.000 |
| Floating-point processing power | no data | 0.2 TFLOPS |
| ROPs | no data | 4 |
| TMUs | no data | 8 |
| L1 Cache | no data | 16 KB |
| L2 Cache | no data | 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 | no data | MXM-A (3.0) |
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 | GDDR3 |
| Maximum RAM amount | 1 GB | 512 MB |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 900 MHz | 800 MHz |
| Memory bandwidth | no data | 12.8 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 data | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | 11.2 (11_0) |
| Shader Model | no data | 5.0 |
| OpenGL | no data | 4.4 |
| OpenCL | no data | 1.2 |
| Vulkan | - | N/A |
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 | 7
+40%
| 5−6
−40%
|
| Full HD | 15
+50%
| 10−12
−50%
|
| 1200p | 5
+66.7%
| 3−4
−66.7%
|
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 2−3
+100%
|
1−2
−100%
|
Full HD
Medium
| Cyberpunk 2077 | 2−3
+100%
|
1−2
−100%
|
| Escape from Tarkov | 2−3
+100%
|
1−2
−100%
|
| Far Cry 5 | 1−2 | 0−1 |
| Fortnite | 0−1 | 0−1 |
| Forza Horizon 4 | 6−7
+50%
|
4−5
−50%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
+33.3%
|
6−7
−33.3%
|
| Valorant | 30−33
+42.9%
|
21−24
−42.9%
|
Full HD
High
| Counter-Strike: Global Offensive | 29
+38.1%
|
21−24
−38.1%
|
| Cyberpunk 2077 | 2−3
+100%
|
1−2
−100%
|
| Dota 2 | 14−16
+40%
|
10−11
−40%
|
| Escape from Tarkov | 2−3
+100%
|
1−2
−100%
|
| Far Cry 5 | 1−2 | 0−1 |
| Fortnite | 0−1 | 0−1 |
| Forza Horizon 4 | 6−7
+50%
|
4−5
−50%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| Metro Exodus | 1−2 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
+33.3%
|
6−7
−33.3%
|
| The Witcher 3: Wild Hunt | 6−7
+50%
|
4−5
−50%
|
| Valorant | 30−33
+42.9%
|
21−24
−42.9%
|
Full HD
Ultra
| Cyberpunk 2077 | 2−3
+100%
|
1−2
−100%
|
| Dota 2 | 14−16
+40%
|
10−11
−40%
|
| Escape from Tarkov | 2−3
+100%
|
1−2
−100%
|
| Far Cry 5 | 1−2 | 0−1 |
| Forza Horizon 4 | 6−7
+50%
|
4−5
−50%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
+33.3%
|
6−7
−33.3%
|
| The Witcher 3: Wild Hunt | 6−7
+50%
|
4−5
−50%
|
| Valorant | 30−33
+42.9%
|
21−24
−42.9%
|
Full HD
Epic
| Fortnite | 0−1 | 0−1 |
1440p
High
| Counter-Strike 2 | 3−4
+50%
|
2−3
−50%
|
| Counter-Strike: Global Offensive | 5−6
+66.7%
|
3−4
−66.7%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+28.6%
|
7−8
−28.6%
|
1440p
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Escape from Tarkov | 3−4
+50%
|
2−3
−50%
|
| Far Cry 5 | 0−1 | 0−1 |
| Forza Horizon 4 | 3−4
+50%
|
2−3
−50%
|
| The Witcher 3: Wild Hunt | 2−3
+100%
|
1−2
−100%
|
1440p
Epic
| Fortnite | 1−2 | 0−1 |
4K
High
| Grand Theft Auto V | 14−16
+40%
|
10−11
−40%
|
| Valorant | 5−6
+66.7%
|
3−4
−66.7%
|
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
+100%
|
1−2
−100%
|
4K
Epic
| Fortnite | 2−3
+100%
|
1−2
−100%
|
This is how HD 6450 GDDR5 and HD 7450A compete in popular games:
- HD 6450 GDDR5 is 40% faster in 900p
- HD 6450 GDDR5 is 50% faster in 1080p
- HD 6450 GDDR5 is 67% faster in 1200p
Pros & cons summary
| Performance score | 0.88 | 0.69 |
| Recency | 18 April 2011 | 5 January 2012 |
| Maximum RAM amount | 1 GB | 512 MB |
| Power consumption (TDP) | 27 Watt | 25 Watt |
HD 6450 GDDR5 has a 27.5% higher aggregate performance score, and a 100% higher maximum VRAM amount.
HD 7450A, on the other hand, has an age advantage of 8 months, and 8% lower power consumption.
The Radeon HD 6450 GDDR5 is our recommended choice as it beats the Radeon HD 7450A in performance tests.
Be aware that Radeon HD 6450 GDDR5 is a desktop graphics card while Radeon HD 7450A is a notebook one.
Other comparisons
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