Radeon RX 6400 vs RX 580 Mobile
Aggregate performance score
We've compared Radeon RX 580 Mobile with Radeon RX 6400, including specs and performance data.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 278 | 277 |
| Place by popularity | not in top-100 | 100 |
| Cost-effectiveness evaluation | 24.26 | 53.23 |
| Power efficiency | 13.61 | 25.70 |
| Architecture | GCN 4.0 (2016−2020) | RDNA 2.0 (2020−2024) |
| GPU code name | Polaris 20 | Navi 24 |
| Market segment | Laptop | Desktop |
| Release date | 18 April 2017 (7 years ago) | 19 January 2022 (2 years ago) |
| Launch price (MSRP) | $301.69 | $159 |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
RX 6400 has 119% better value for money than RX 580 Mobile.
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 | 2304 | 768 |
| Core clock speed | 1000 MHz | 1923 MHz |
| Boost clock speed | 1077 MHz | 2321 MHz |
| Number of transistors | 5,700 million | 5,400 million |
| Manufacturing process technology | 14 nm | 6 nm |
| Power consumption (TDP) | 100 Watt | 53 Watt |
| Texture fill rate | 155.1 | 111.4 |
| Floating-point processing power | 4.963 TFLOPS | 3.565 TFLOPS |
| ROPs | 32 | 32 |
| TMUs | 144 | 48 |
| Ray Tracing Cores | no data | 12 |
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).
| Laptop size | large | no data |
| Interface | MXM-B (3.0) | PCIe 4.0 x4 |
| Width | no data | 1-slot |
| 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 | GDDR5 | GDDR6 |
| Maximum RAM amount | 8 GB | 4 GB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 2000 MHz | 2000 MHz |
| Memory bandwidth | 256.0 GB/s | 128.0 GB/s |
| Shared memory | - | - |
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 | No outputs | 1x HDMI 2.1, 1x DisplayPort 1.4a |
| HDMI | - | + |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
| Shader Model | 6.4 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.2 |
| Vulkan | 1.2.131 | 1.3 |
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 | 77
+2.7%
| 75−80
−2.7%
|
| 4K | 31
+3.3%
| 30−35
−3.3%
|
Cost per frame, $
| 1080p | 3.92 | 2.12 |
| 4K | 9.73 | 5.30 |
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 30−35
+10%
|
30−33
−10%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 45−50
+2.2%
|
45−50
−2.2%
|
| Assassin's Creed Valhalla | 35−40
+0%
|
35−40
+0%
|
| Battlefield 5 | 65−70
+4.6%
|
65−70
−4.6%
|
| Call of Duty: Modern Warfare | 40−45
+5%
|
40−45
−5%
|
| Cyberpunk 2077 | 30−35
+10%
|
30−33
−10%
|
| Far Cry 5 | 45−50
+6.7%
|
45−50
−6.7%
|
| Far Cry New Dawn | 55−60
+0%
|
55−60
+0%
|
| Forza Horizon 4 | 120−130
+5%
|
120−130
−5%
|
| Hitman 3 | 40−45
+0%
|
40−45
+0%
|
| Horizon Zero Dawn | 95−100
+4.2%
|
95−100
−4.2%
|
| Metro Exodus | 70−75
+1.4%
|
70−75
−1.4%
|
| Red Dead Redemption 2 | 55−60
+0%
|
55−60
+0%
|
| Shadow of the Tomb Raider | 65−70
+4.6%
|
65−70
−4.6%
|
| Watch Dogs: Legion | 90−95
+3.3%
|
90−95
−3.3%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 45−50
+2.2%
|
45−50
−2.2%
|
| Assassin's Creed Valhalla | 35−40
+0%
|
35−40
+0%
|
| Battlefield 5 | 65−70
+4.6%
|
65−70
−4.6%
|
| Call of Duty: Modern Warfare | 40−45
+5%
|
40−45
−5%
|
| Cyberpunk 2077 | 30−35
+10%
|
30−33
−10%
|
| Far Cry 5 | 45−50
+6.7%
|
45−50
−6.7%
|
| Far Cry New Dawn | 55−60
+0%
|
55−60
+0%
|
| Forza Horizon 4 | 120−130
+5%
|
120−130
−5%
|
| Hitman 3 | 40−45
+0%
|
40−45
+0%
|
| Horizon Zero Dawn | 95−100
+4.2%
|
95−100
−4.2%
|
| Metro Exodus | 70−75
+1.4%
|
70−75
−1.4%
|
| Red Dead Redemption 2 | 55−60
+0%
|
55−60
+0%
|
| Shadow of the Tomb Raider | 65−70
+4.6%
|
65−70
−4.6%
|
| The Witcher 3: Wild Hunt | 45−50
+2.2%
|
45−50
−2.2%
|
| Watch Dogs: Legion | 90−95
+3.3%
|
90−95
−3.3%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 45−50
+2.2%
|
45−50
−2.2%
|
| Assassin's Creed Valhalla | 35−40
+0%
|
35−40
+0%
|
| Call of Duty: Modern Warfare | 40−45
+5%
|
40−45
−5%
|
| Cyberpunk 2077 | 30−35
+10%
|
30−33
−10%
|
| Far Cry 5 | 45−50
+6.7%
|
45−50
−6.7%
|
| Forza Horizon 4 | 120−130
+5%
|
120−130
−5%
|
| Hitman 3 | 40−45
+0%
|
40−45
+0%
|
| Horizon Zero Dawn | 95−100
+4.2%
|
95−100
−4.2%
|
| Shadow of the Tomb Raider | 65−70
+4.6%
|
65−70
−4.6%
|
| The Witcher 3: Wild Hunt | 37
+5.7%
|
35−40
−5.7%
|
| Watch Dogs: Legion | 90−95
+3.3%
|
90−95
−3.3%
|
Full HD
Epic Preset
| Red Dead Redemption 2 | 55−60
+0%
|
55−60
+0%
|
1440p
High Preset
| Battlefield 5 | 35−40
+11.4%
|
35−40
−11.4%
|
| Far Cry New Dawn | 30−35
+3.3%
|
30−33
−3.3%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 21−24
+0%
|
21−24
+0%
|
| Assassin's Creed Valhalla | 18−20
+5.6%
|
18−20
−5.6%
|
| Call of Duty: Modern Warfare | 21−24
+9.5%
|
21−24
−9.5%
|
| Cyberpunk 2077 | 12−14
+0%
|
12−14
+0%
|
| Far Cry 5 | 24−27
+0%
|
24−27
+0%
|
| Forza Horizon 4 | 110−120
+4.5%
|
110−120
−4.5%
|
| Hitman 3 | 24−27
+0%
|
24−27
+0%
|
| Horizon Zero Dawn | 40−45
+5%
|
40−45
−5%
|
| Metro Exodus | 35−40
+8.6%
|
35−40
−8.6%
|
| Shadow of the Tomb Raider | 40−45
+5%
|
40−45
−5%
|
| The Witcher 3: Wild Hunt | 24−27
+0%
|
24−27
+0%
|
| Watch Dogs: Legion | 120−130
+0.8%
|
120−130
−0.8%
|
1440p
Epic Preset
| Red Dead Redemption 2 | 30−35
+13.3%
|
30−33
−13.3%
|
4K
High Preset
| Battlefield 5 | 20−22
+11.1%
|
18−20
−11.1%
|
| Far Cry New Dawn | 16−18
+0%
|
16−18
+0%
|
| Hitman 3 | 16−18
+0%
|
16−18
+0%
|
| Horizon Zero Dawn | 100−110
+7%
|
100−105
−7%
|
| Metro Exodus | 21−24
+4.8%
|
21−24
−4.8%
|
| The Witcher 3: Wild Hunt | 24
+0%
|
24−27
+0%
|
4K
Ultra Preset
| Assassin's Creed Odyssey | 12−14
+0%
|
12−14
+0%
|
| Assassin's Creed Valhalla | 10−12
+10%
|
10−11
−10%
|
| Call of Duty: Modern Warfare | 10−12
+10%
|
10−11
−10%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Far Cry 5 | 10−12
+10%
|
10−11
−10%
|
| Forza Horizon 4 | 27−30
+3.7%
|
27−30
−3.7%
|
| Shadow of the Tomb Raider | 24−27
+0%
|
24−27
+0%
|
| Watch Dogs: Legion | 9−10
+0%
|
9−10
+0%
|
4K
Epic Preset
| Red Dead Redemption 2 | 18−20
+0%
|
18−20
+0%
|
This is how RX 580 Mobile and RX 6400 compete in popular games:
- RX 580 Mobile is 3% faster in 1080p
- RX 580 Mobile is 3% faster in 4K
Pros & cons summary
| Performance score | 19.65 | 19.67 |
| Recency | 18 April 2017 | 19 January 2022 |
| Maximum RAM amount | 8 GB | 4 GB |
| Chip lithography | 14 nm | 6 nm |
| Power consumption (TDP) | 100 Watt | 53 Watt |
RX 580 Mobile has a 100% higher maximum VRAM amount.
RX 6400, on the other hand, has a 0.1% higher aggregate performance score, an age advantage of 4 years, a 133.3% more advanced lithography process, and 88.7% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Radeon RX 580 Mobile and Radeon RX 6400.
Be aware that Radeon RX 580 Mobile is a notebook card while Radeon RX 6400 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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