MSI GeForce RTX 4090 Gaming X Slim 24GB GDDR6X
The Ada Lovelace-based RTX 4090 chip with 24GB of GDDR6X memory and a 2595 MHz boost clock delivers top-tier 4K gaming and ray tracing performance. Its "SLIM" triple-fan design fits into a relatively compact 3-slot footprint without sacrificing the dual HDMI 2.1 outputs. This card is best for enthusiasts building a high-refresh 4K gaming rig who need flagship power in a slightly more space-conscious form factor.
概览
The 30-Second Version
The RTX 4090 is still the king of raw power, and 24GB of VRAM keeps it relevant. It's expensive, power-hungry, and overkill for most, but nothing else touches it for 4K ray tracing.
Pros & Cons
优点
- Best-in-class ray tracing and 4K gaming performance 99th
- 24GB VRAM future-proofs you for years 97th
- DLSS 3 and AV1 encode are genuinely useful 97th
- Triple-fan cooler keeps it from melting down 93rd
缺点
- 450W TDP means your power bill will notice
- 850W PSU requirement is a serious ask
- Thermals are just okay, not great
- Price is still absurd in 2025
用户评价
The Word on the Street
实测数据
Performance
The numbers here are silly. 38,098 on PassMark G3D puts it at the 97th percentile for raster, and ray tracing is basically off the charts at the 99th. That 24GB of GDDR6X on a 384-bit bus means you can crank texture packs and 4K settings without sweating VRAM limits. The boost clock of 2595MHz is solid, and with 16,384 CUDA cores, this thing chews through content creation workloads too. The surprise? Thermal performance is only at the 73rd percentile. For a triple-fan card with this much cooling hardware, we expected better. It's not bad, just not the frosty monster the size suggests.
Specifications
Full Specifications
Chipset
| GPU Chipset | GeForce RTX 4090 |
| Brand | NVIDIA |
| Architecture | Ada Lovelace |
| Class | consumer |
| Process | 5 |
Memory
| VRAM | 24 GB |
| Memory Type | GDDR6X |
| Memory Bus | 384 |
| Bandwidth | 576 |
Compute
| CUDA Cores | 16384 |
| Tensor Cores | 304 |
| RT Cores | 76 |
| Base Clock | 2595 |
| Boost Clock | 2595 |
| FP16 TFLOPS | 32.98 |
| FP32 TFLOPS | 32.98 |
Performance
| PassMark G3D | 38059 |
| GPU Compute | 26267 |
Power & Cooling
| TDP | 450 |
| Recommended PSU | 850 |
| Power Connectors | 1 x 16-Pin |
| Cooler | Triple Fan |
| Fans | 3 |
Connectivity
| Interface | PCI Express 4.0 x16 |
| DisplayPort | 2 |
| HDMI | 2 |
| Max Displays | 4 |
| Max Resolution | 7680 x 4320 |
Physical
| Length | 322 |
| Slot Width | 3 |
| Form Factor | ATX |
| Weight | 0.9 kg / 2.0 lbs |
Features
| Ray Tracing | Yes |
| Upscaling | DLSS |
| AV1 Encode | Yes |
| DirectX | 12 Ultimate |
vs Competition
The RTX 5080 cards from ASUS, Gigabyte, and ZOTAC are the real competition here. They're newer, more efficient, and cheaper. But they all ship with 16GB of VRAM, and that's where the 4090 still wins. If you're gaming at 4K with heavy mods or doing VRAM-hungry creative work, the 4090's 24GB is a genuine advantage. The Sapphire NITRO+ is an AMD card, so it's a different beast entirely, great raster value but weaker ray tracing. For pure gaming, a 5080 is the smarter buy. For mixed workloads and future-proofing, the 4090 still holds the crown.
| Spec | MSI GeForce RTX 4090 Gaming X Slim | ASUS TUF Gaming TUF-RTX5090-32G-GAMING | Gigabyte AERO GV-N5080AERO OC-16GD | ZOTAC APOCALYPSE ZT-B50800C-10P | Sapphire NITRO+ 11322-01-40G | PNY ARGB OC VCG508016TFXXPB1-O |
|---|---|---|---|---|---|---|
| Chipset | GeForce RTX 4090 | GeForce RTX 5090 | GeForce RTX 5080 | GeForce RTX 5080 | Radeon RX 7900 XTX | GeForce RTX 5080 |
| Vram | 24GB GDDR6X | 32GB GDDR7 | 16GB GDDR7 | 16GB GDDR7 | 24GB GDDR6 | 16GB GDDR7 |
| Boost Clock Mhz | 2595 | 2407 | 2730 | 2730 | 2680 | 2620 |
| Tdp W | 450 | 575 | 360 | 360 | 339 | 360 |
| Memory Bus Bits | 384 | 512 | 256 | 256 | 384 | 256 |
| Ray Tracing | true | true | true | true | true | true |
| GPU Class | consumer | consumer | consumer | consumer | consumer | consumer |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AI | Rt | Vram | Raster | Compute | Feature | Thermal | Efficiency | Connectivity | 用户口碑 | Affordability |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MSI GeForce RTX 4090 Gaming X Slim | 92.2 | 99 | 92.7 | 96.6 | 96.8 | 72.7 | 72.8 | 42.3 | 65.9 | 38.1 | 5.5 |
| ASUS TUF Gaming TUF-RTX5090-32G-GAMING Compare | 96.7 | 90 | 97.4 | 98.6 | 97.4 | 96.4 | 72.8 | 26.8 | 99.2 | 99.1 | 3.4 |
| Gigabyte AERO GV-N5080AERO OC-16GD Compare | 85 | 95.2 | 88.5 | 94.1 | 93.1 | 96.4 | 91.5 | 58.9 | 94.1 | 88.9 | 16 |
| ZOTAC APOCALYPSE ZT-B50800C-10P Compare | 85 | 97.5 | 88.5 | 94.1 | 93.1 | 96.4 | 91.5 | 58.9 | 94.1 | 99.1 | 19.7 |
| Sapphire NITRO+ 11322-01-40G Compare | 94.7 | 96.1 | 91.5 | 83.6 | 95.4 | 84.4 | 91.5 | 54.5 | 98.7 | 78.4 | 15.8 |
| PNY ARGB OC VCG508016TFXXPB1-O Compare | 85 | 97.5 | 88.5 | 94.1 | 93.1 | 96.4 | 91.5 | 58.9 | 94.1 | 82.6 | 17.8 |
价格
Value & Pricing
Here's the thing: at $3,050 USD, this card makes zero sense for most people. You can get an RTX 5080 for significantly less and still have a fantastic 4K experience. But if you're doing heavy content creation, AI work, or just want the absolute best and don't care about the cost, the 4090 still justifies its existence. It's a luxury purchase, not a smart one.
Amazon 1 个报价 最低 US$4,990
Price History
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Overview
The MSI RTX 4090 Gaming X Slim is still the heavyweight champ of raw GPU power, even with the RTX 5080 crowd nipping at its heels. The one thing to know: this card absolutely crushes 4K gaming and ray tracing, and it does it with 24GB of VRAM that makes the 16GB on newer cards look a little nervous. It's big, it's thirsty, and it's not cheap, but if you want the best raster performance money can buy right now, this is it.
Common Questions
Q: Is the RTX 4090 still worth buying in 2025?
If you need 24GB of VRAM for creative work or AI, yes. If you're just gaming, an RTX 5080 with 16GB will save you a pile of cash and still crush 4K.
Q: Will my power supply handle this card?
You need at least an 850W PSU, and that's not a suggestion. The card pulls 450W on its own. If your PSU is older or lower wattage, budget for an upgrade.
Q: Does the Gaming X Slim run cooler than other 4090s?
It's fine, but not exceptional. The triple-fan design keeps it from throttling, but thermals are middle of the pack for this class. Don't expect miracles in a small case.
Who Should Skip This
If you're building a pure gaming rig and care about value, skip this. Grab an RTX 5080 and put the savings toward a better monitor or more storage. The 4090 is for people who need the VRAM or just refuse to compromise on performance.
Verdict
Buy this if you need the best GPU performance available and money isn't a concern. The 24GB of VRAM alone makes it a better long-term investment than any 16GB card. But if you're just gaming, save your cash and grab an RTX 5080. The 4090 is overkill for most people, and that's exactly why some of you will love it.