Radeon RX 6400 vs RTX Spark N1X 6144-Core Blackwell GPU
Aggregate performance score
We've compared RTX Spark N1X 6144-Core Blackwell GPU with Radeon RX 6400, including specs and performance data.
RTX Spark N1X 6144-Core Blackwell GPU outperforms RX 6400 by a whopping 119% 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 | 118 | 340 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 39.22 |
| Power efficiency | no data | 27.20 |
| Architecture | Blackwell (2024−2026) | RDNA 2.0 (2020−2025) |
| GPU code name | no data | Navi 24 |
| Market segment | Laptop | Desktop |
| Release date | 15 October 2026 (recently) | 19 January 2022 (4 years ago) |
| Launch price (MSRP) | no data | $159 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 6144 | 768 |
| Core clock speed | no data | 1923 MHz |
| Boost clock speed | 2531 MHz | 2321 MHz |
| Number of transistors | no data | 5,400 million |
| Manufacturing process technology | no data | 6 nm |
| Power consumption (TDP) | no data | 53 Watt |
| Texture fill rate | no data | 111.4 |
| Floating-point processing power | no data | 3.565 TFLOPS |
| ROPs | no data | 32 |
| TMUs | no data | 48 |
| Ray Tracing Cores | no data | 12 |
| L0 Cache | no data | 192 KB |
| L1 Cache | 6 MB | 256 KB |
| L2 Cache | 24 MB | 1024 KB |
| L3 Cache | no data | 16 MB |
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 | medium sized | no data |
| Interface | no data | 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 | DDR5X | GDDR6 |
| Maximum RAM amount | no data | 4 GB |
| Memory bus width | no data | 64 Bit |
| Memory clock speed | no data | 2000 MHz |
| Memory bandwidth | no data | 128.0 GB/s |
| Shared memory | + | - |
| Resizable BAR | + | + |
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 | 1x HDMI 2.1, 1x DisplayPort 1.4a |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | no data | 12 Ultimate (12_2) |
| Shader Model | no data | 6.7 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 2.2 |
| Vulkan | - | 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 | 87
+149%
| 35−40 |
| 1440p | 57
+138%
| 24−27 |
Cost per frame, $
| 1080p | no data | 4.54 |
| 1440p | no data | 6.63 |
FPS performance in popular games
Full HD
Low
| Counter-Strike 2 | 220−230
+125%
|
100−105 |
| Cyberpunk 2077 | 95−100
+140%
|
40−45 |
| Hogwarts Legacy | 95−100
+145%
|
40−45 |
| Resident Evil 4 Remake | 110−120
+124%
|
50−55 |
Full HD
Medium
| Battlefield 5 | 130−140
+128%
|
60−65 |
| Counter-Strike 2 | 220−230
+125%
|
100−105 |
| Cyberpunk 2077 | 95−100
+140%
|
40−45 |
| Far Cry 5 | 130−140
+138%
|
55−60 |
| Fortnite | 170−180
+121%
|
80−85 |
| Forza Horizon 4 | 150−160
+126%
|
70−75 |
| Hogwarts Legacy | 95−100
+145%
|
40−45 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 150−160
+127%
|
70−75 |
| Valorant | 240−250
+120%
|
110−120 |
Full HD
High
| Battlefield 5 | 130−140
+128%
|
60−65 |
| Counter-Strike 2 | 220−230
+125%
|
100−105 |
| Counter-Strike: Global Offensive | 270−280
+132%
|
120−130 |
| Cyberpunk 2077 | 95−100
+140%
|
40−45 |
| Far Cry 5 | 130−140
+138%
|
55−60 |
| Fortnite | 170−180
+121%
|
80−85 |
| Forza Horizon 4 | 150−160
+126%
|
70−75 |
| Grand Theft Auto V | 31
+121%
|
14−16 |
| Hogwarts Legacy | 95−100
+145%
|
40−45 |
| Metro Exodus | 95−100
+120%
|
45−50 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 150−160
+127%
|
70−75 |
| The Witcher 3: Wild Hunt | 150−160
+132%
|
65−70 |
| Valorant | 240−250
+120%
|
110−120 |
Full HD
Ultra
| Battlefield 5 | 130−140
+128%
|
60−65 |
| Cyberpunk 2077 | 95−100
+140%
|
40−45 |
| Far Cry 5 | 130−140
+138%
|
55−60 |
| Forza Horizon 4 | 150−160
+126%
|
70−75 |
| Hogwarts Legacy | 95−100
+145%
|
40−45 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 150−160
+127%
|
70−75 |
| The Witcher 3: Wild Hunt | 150−160
+132%
|
65−70 |
Full HD
Epic
| Fortnite | 170−180
+121%
|
80−85 |
1440p
High
| Counter-Strike 2 | 100−110
+136%
|
45−50 |
| Counter-Strike: Global Offensive | 280−290
+122%
|
130−140 |
| Grand Theft Auto V | 55
+129%
|
24−27 |
| Metro Exodus | 60−65
+126%
|
27−30 |
| Valorant | 270−280
+131%
|
120−130 |
1440p
Ultra
| Battlefield 5 | 100−110
+131%
|
45−50 |
| Cyberpunk 2077 | 45−50
+133%
|
21−24 |
| Far Cry 5 | 100−110
+124%
|
45−50 |
| Forza Horizon 4 | 110−120
+138%
|
50−55 |
| Hogwarts Legacy | 45−50
+133%
|
21−24 |
| The Witcher 3: Wild Hunt | 80−85
+131%
|
35−40 |
1440p
Epic
| Fortnite | 110−120
+120%
|
50−55 |
4K
High
| Counter-Strike 2 | 45−50
+133%
|
21−24 |
| Grand Theft Auto V | 90−95
+130%
|
40−45 |
| Metro Exodus | 35−40
+138%
|
16−18 |
| The Witcher 3: Wild Hunt | 65−70
+123%
|
30−33 |
| Valorant | 250−260
+129%
|
110−120 |
4K
Ultra
| Battlefield 5 | 65−70
+120%
|
30−33 |
| Cyberpunk 2077 | 21−24
+120%
|
10−11 |
| Far Cry 5 | 55−60
+129%
|
24−27 |
| Forza Horizon 4 | 75−80
+126%
|
35−40 |
| Hogwarts Legacy | 24−27
+160%
|
10−11 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 55−60
+142%
|
24−27 |
4K
Epic
| Fortnite | 55−60
+129%
|
24−27 |
This is how RTX Spark N1X 6144-Core Blackwell GPU and RX 6400 compete in popular games:
- RTX Spark N1X 6144-Core Blackwell GPU is 149% faster in 1080p
- RTX Spark N1X 6144-Core Blackwell GPU is 138% faster in 1440p
Pros & cons summary
| Performance score | 40.57 | 18.53 |
| Recency | 15 October 2026 | 19 January 2022 |
RTX Spark N1X 6144-Core Blackwell GPU has a 119% higher aggregate performance score, and an age advantage of 4 years.
The RTX Spark N1X 6144-Core Blackwell GPU is our recommended choice as it beats the Radeon RX 6400 in performance tests.
Be aware that RTX Spark N1X 6144-Core Blackwell GPU is a notebook graphics card while Radeon RX 6400 is a desktop one.
Other comparisons
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