Radeon HD 6450 GDDR5 vs ATI HD 4870
Aggregate performance score
We've compared Radeon HD 4870 and Radeon HD 6450 GDDR5, covering specs and all relevant benchmarks.
HD 4870 outperforms HD 6450 GDDR5 by a whopping 274% 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 | 782 | 1182 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.26 | no data |
| Power efficiency | 1.69 | 2.51 |
| Architecture | TeraScale (2005−2013) | Terascale 2 (2009−2015) |
| GPU code name | RV770 | Caicos |
| Market segment | Desktop | Desktop |
| Release date | 25 June 2008 (17 years ago) | 18 April 2011 (14 years ago) |
| Launch price (MSRP) | $299 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
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 | 800 | 160 |
| Core clock speed | 750 MHz | 750 MHz |
| Number of transistors | 956 million | no data |
| Manufacturing process technology | 55 nm | 40 nm |
| Power consumption (TDP) | 150 Watt | 27 Watt |
| Texture fill rate | 30.00 | no data |
| Floating-point processing power | 1.2 TFLOPS | no data |
| ROPs | 16 | no data |
| TMUs | 40 | no data |
| L1 Cache | 160 KB | no data |
| L2 Cache | 256 KB | 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 | 250 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 2x 6-pin | 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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 1 GB | 1 GB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 900 MHz | 900 MHz |
| Memory bandwidth | 115.2 GB/s | no data |
| 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 | 2x DVI, 1x S-Video | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 10.1 (10_1) | 11 |
| Shader Model | 4.1 | no data |
| OpenGL | 3.3 | no data |
| OpenCL | 1.1 | no data |
| 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 | 24−27
+243%
| 7
−243%
|
| Full HD | 55−60
+267%
| 15
−267%
|
| 1200p | 18−20
+260%
| 5
−260%
|
Cost per frame, $
| 1080p | 5.44 | no data |
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
Full HD
Medium
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Fortnite | 0−1 | 0−1 |
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
| Valorant | 30−33
+0%
|
30−33
+0%
|
Full HD
High
| Counter-Strike: Global Offensive | 29
+0%
|
29
+0%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 14−16
+0%
|
14−16
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Fortnite | 0−1 | 0−1 |
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
| Metro Exodus | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
| The Witcher 3: Wild Hunt | 6−7
+0%
|
6−7
+0%
|
| Valorant | 30−33
+0%
|
30−33
+0%
|
Full HD
Ultra
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 14−16
+0%
|
14−16
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
| The Witcher 3: Wild Hunt | 6−7
+0%
|
6−7
+0%
|
| Valorant | 30−33
+0%
|
30−33
+0%
|
Full HD
Epic
| Fortnite | 0−1 | 0−1 |
1440p
High
| Counter-Strike 2 | 3−4
+0%
|
3−4
+0%
|
| Counter-Strike: Global Offensive | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
1440p
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 0−1 | 0−1 |
| Forza Horizon 4 | 3−4
+0%
|
3−4
+0%
|
| Hogwarts Legacy | 1−2
+0%
|
1−2
+0%
|
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
1440p
Epic
| Fortnite | 1−2
+0%
|
1−2
+0%
|
4K
High
| Grand Theft Auto V | 14−16
+0%
|
14−16
+0%
|
| Valorant | 5−6
+0%
|
5−6
+0%
|
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
+0%
|
2−3
+0%
|
4K
Epic
| Fortnite | 2−3
+0%
|
2−3
+0%
|
This is how ATI HD 4870 and HD 6450 GDDR5 compete in popular games:
- ATI HD 4870 is 243% faster in 900p
- ATI HD 4870 is 267% faster in 1080p
- ATI HD 4870 is 260% faster in 1200p
All in all, in popular games:
- there's a draw in 37 tests (100%)
Pros & cons summary
| Performance score | 3.14 | 0.84 |
| Recency | 25 June 2008 | 18 April 2011 |
| Chip lithography | 55 nm | 40 nm |
| Power consumption (TDP) | 150 Watt | 27 Watt |
ATI HD 4870 has a 273.8% higher aggregate performance score.
HD 6450 GDDR5, on the other hand, has an age advantage of 2 years, a 37.5% more advanced lithography process, and 455.6% lower power consumption.
The Radeon HD 4870 is our recommended choice as it beats the Radeon HD 6450 GDDR5 in performance tests.
Other comparisons
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