Radeon HD 6450 vs HD 7870
Aggregated performance score
HD 7870 outperforms HD 6450 by 2249% based on our aggregated benchmark results.
Primary Details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 373 | 1186 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-Effectiveness Evaluation | 2.74 | no data |
| Architecture | GCN (2011−2017) | TeraScale 2 (2009−2015) |
| GPU code name | Pitcairn XT | Caicos |
| Market segment | Desktop | Desktop |
| Design | no data | reference |
| Release date | 5 March 2012 (12 years ago) | 7 April 2011 (13 years ago) |
| Launch price (MSRP) | $412.83 | $55 |
| Current price | $200 (0.5x MSRP) | $166 (3x MSRP) |
Cost-Effectiveness Evaluation
Performance to price ratio. The higher, the better.
HD 7870 and HD 6450 have a nearly equal value for money.
Detailed Specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 1280 | 160 |
| Core clock speed | 1000 MHz | no data |
| Boost clock speed | no data | 750 MHz |
| Number of transistors | 2800 Million | 370 million |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | 175 Watt | 30 Watt |
| Texture fill rate | 80.00 | 5.000 |
| Floating-point performance | no data | 200.0 gflops |
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).
| Bus support | no data | PCIe 2.0 x8 |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | 241 mm | 168 mm |
| Width | 2-slot | 1-slot |
| Supplementary power connectors | 2x 6-pin | None |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 2 GB | 1 GB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 4800 MHz | 800 MHz |
| Memory bandwidth | 153.6 GB/s | 25.6 GB/s |
| Memory bandwidth | no data | 8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5) |
| 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 HDMI, 2x mini-DisplayPort | 1x DVI, 1x HDMI, 1x VGA |
| Eyefinity | + | 1 |
| Number of Eyefinity displays | no data | 4 |
| HDMI | + | + |
| DisplayPort support | no data | + |
Supported GPU Technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| AppAcceleration | no data | - |
| CrossFire | no data | 1 |
| Enduro | no data | - |
| HD3D | no data | - |
| PowerTune | no data | - |
| TrueAudio | no data | - |
| ZeroCore | no data | - |
API Compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | DirectX® 11 |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2.131 | no data |
| Mantle | no data | - |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
HD 7870 outperforms HD 6450 by 2249% based on our aggregated benchmark results.
Passmark
This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.
Benchmark coverage: 25%
HD 7870 outperforms HD 6450 by 2242% in Passmark.
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 | 84
+2700%
| 3−4
−2700%
|
| Full HD | 66
+3200%
| 2−3
−3200%
|
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 18−20 | 0−1 |
Full HD
Medium Preset
| Assassin's Creed Odyssey | 24−27
+2400%
|
1−2
−2400%
|
| Assassin's Creed Valhalla | 18−20 | 0−1 |
| Battlefield 5 | 40−45
+4000%
|
1−2
−4000%
|
| Call of Duty: Modern Warfare | 30−35
+3000%
|
1−2
−3000%
|
| Cyberpunk 2077 | 18−20 | 0−1 |
| Far Cry 5 | 30−35
+3000%
|
1−2
−3000%
|
| Far Cry New Dawn | 30−35
+3100%
|
1−2
−3100%
|
| Forza Horizon 4 | 40−45
+4100%
|
1−2
−4100%
|
| Hitman 3 | 30−35
+3100%
|
1−2
−3100%
|
| Horizon Zero Dawn | 24−27
+2400%
|
1−2
−2400%
|
| Red Dead Redemption 2 | 20−22 | 0−1 |
| Shadow of the Tomb Raider | 24−27
+2400%
|
1−2
−2400%
|
| Watch Dogs: Legion | 21−24 | 0−1 |
Full HD
High Preset
| Assassin's Creed Odyssey | 24−27
+2400%
|
1−2
−2400%
|
| Assassin's Creed Valhalla | 18−20 | 0−1 |
| Battlefield 5 | 40−45
+4000%
|
1−2
−4000%
|
| Call of Duty: Modern Warfare | 30−35
+3000%
|
1−2
−3000%
|
| Cyberpunk 2077 | 18−20 | 0−1 |
| Far Cry 5 | 30−35
+3000%
|
1−2
−3000%
|
| Far Cry New Dawn | 30−35
+3100%
|
1−2
−3100%
|
| Forza Horizon 4 | 40−45
+4100%
|
1−2
−4100%
|
| Hitman 3 | 30−35
+3100%
|
1−2
−3100%
|
| Horizon Zero Dawn | 24−27
+2400%
|
1−2
−2400%
|
| Metro Exodus | 18−20 | 0−1 |
| Red Dead Redemption 2 | 20−22 | 0−1 |
| Shadow of the Tomb Raider | 24−27
+2400%
|
1−2
−2400%
|
| The Witcher 3: Wild Hunt | 36
+3500%
|
1−2
−3500%
|
| Watch Dogs: Legion | 21−24 | 0−1 |
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 24−27
+2400%
|
1−2
−2400%
|
| Assassin's Creed Valhalla | 18−20 | 0−1 |
| Battlefield 5 | 40−45
+4000%
|
1−2
−4000%
|
| Cyberpunk 2077 | 18−20 | 0−1 |
| Far Cry 5 | 30−35
+3000%
|
1−2
−3000%
|
| Far Cry New Dawn | 30−35
+3100%
|
1−2
−3100%
|
| Forza Horizon 4 | 40−45
+4100%
|
1−2
−4100%
|
| The Witcher 3: Wild Hunt | 20 | 0−1 |
| Watch Dogs: Legion | 21−24 | 0−1 |
1440p
High Preset
| Call of Duty: Modern Warfare | 16−18 | 0−1 |
| Hitman 3 | 18−20 | 0−1 |
| Horizon Zero Dawn | 18−20 | 0−1 |
| Metro Exodus | 10−11 | 0−1 |
| Red Dead Redemption 2 | 9−10 | 0−1 |
| Shadow of the Tomb Raider | 14−16 | 0−1 |
1440p
Ultra Preset
| Assassin's Creed Odyssey | 12−14 | 0−1 |
| Assassin's Creed Valhalla | 8−9 | 0−1 |
| Battlefield 5 | 21−24 | 0−1 |
| Cyberpunk 2077 | 6−7 | 0−1 |
| Far Cry 5 | 18−20 | 0−1 |
| Far Cry New Dawn | 21−24 | 0−1 |
| Forza Horizon 4 | 21−24 | 0−1 |
| The Witcher 3: Wild Hunt | 12−14 | 0−1 |
| Watch Dogs: Legion | 6−7 | 0−1 |
4K
High Preset
| Call of Duty: Modern Warfare | 8−9 | 0−1 |
| Hitman 3 | 10−12 | 0−1 |
| Horizon Zero Dawn | 9−10 | 0−1 |
| Metro Exodus | 5−6 | 0−1 |
| Red Dead Redemption 2 | 6−7 | 0−1 |
| Shadow of the Tomb Raider | 7−8 | 0−1 |
| The Witcher 3: Wild Hunt | 10−11 | 0−1 |
4K
Ultra Preset
| Assassin's Creed Odyssey | 7−8 | 0−1 |
| Assassin's Creed Valhalla | 5−6 | 0−1 |
| Battlefield 5 | 10−12 | 0−1 |
| Cyberpunk 2077 | 2−3 | 0−1 |
| Far Cry 5 | 9−10 | 0−1 |
| Far Cry New Dawn | 12−14 | 0−1 |
| Forza Horizon 4 | 16−18 | 0−1 |
| Watch Dogs: Legion | 4−5 | 0−1 |
This is how HD 7870 and HD 6450 compete in popular games:
- HD 7870 is 2700% faster than HD 6450 in 900p
- HD 7870 is 3200% faster than HD 6450 in 1080p
Pros & Cons Summary
| Performance score | 11.98 | 0.51 |
| Recency | 5 March 2012 | 7 April 2011 |
| Cost | $412.83 | $55 |
| Maximum RAM amount | 2 GB | 1 GB |
| Chip lithography | 28 nm | 40 nm |
| Power consumption (TDP) | 175 Watt | 30 Watt |
The Radeon HD 7870 is our recommended choice as it beats the Radeon HD 6450 in performance tests.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with Similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
