ASUS ROG STRIX RTX 4090 GAMING OC
The ASUS ROG STRIX RTX 4090 GAMING OC is ASUS’s version of the GeForce RTX 4090. At 358 mm it’s 54 mm longer than the 304 mm reference design. Its video outputs (2 HDMI 2.1, 3 Displayport 1.4a) differ from the reference (1 HDMI 2.1, 3 Displayport 1.4a). At 4 slots it’s wider than the 3-slot reference design. Below you’ll find every current retailer price and the full spec sheet.
Prices update regularly and may differ at the retailer. This page contains affiliate links.
Gaming performance
Gaming score: geometric mean of in-game FPS, normalized so the RTX 5090 = 100. Render and synthetic scores are in the Benchmarks section below.
1080p Gaming
1440p Gaming
4K Gaming
The GeForce RTX 4090 scores 98.5 at 1080p, 88.2 at 1440p, and 80.7 at 4K on a scale where 100 = the fastest GPU we test (RTX 5090). These scores apply to all board versions of this chip.
Benchmarks
Standardized benchmark scores for this chip, each compared to the fastest card we track and linked to its source. They apply to every board version.
3D & gaming
Render
Compute & AI
Where to buy
Every in-stock retailer we track, cheapest first.
- AmazonCHEAPEST$3,549.99In stockUpdated 2026-08-23
| Retailer | Price | Availability | Updated | Buy |
|---|---|---|---|---|
| AmazonCHEAPEST | $3,549.99 | In Stock | 2026-08-23 | |
Specifications
GPU chip
- Chip
- GeForce RTX 4090
- Architecture
- Ada Lovelace AD102
- Process node
- TSMC 4N
- Shader cores
- 16,384
- SM count
- 128
- Texture units (TMUs)
- 512
- Render outputs (ROPs)
- 176
- RT cores
- 128 · 3rd gen
- Tensor / AI cores
- 512 · 4th gen
Memory
- VRAM
- 24GB GDDR6X
- Memory bus
- 384-bit
- Bandwidth
- 1008 GB/s
- Memory speed
- 21 Gbps
- L2 cache
- 72 MB
GPU die
- Foundry
- TSMC
- Die size
- 608 mm²
- Transistors
- 76.3 billion
- Generation
- GeForce RTX 40
Display & connectivity
- Max resolution
- 7680 × 4320
- Max displays
- 4
- HDCP
- 2.3
APIs & software
- DirectX
- 12 Ultimate (12.2)
- Vulkan
- 1.3
- OpenGL
- 4.6
- OpenCL
- 3.0
- CUDA
- Compute 8.9
- Shader model
- 6.8
Platform features
- Upscaling
- DLSS Super Resolution, Ray Reconstruction, Frame Generation
- Also runs
- FSR 3, FSR 3 Frame Generation, XeSS 2, XeSS 2 Frame Generation
- Resizable BAR
- Yes
Video encoding & decoding
| Codec | Encode | Decode |
|---|---|---|
| H.264 / AVC | Supported | Supported |
| H.265 / HEVC | Supported | Supported |
| AV1 | Supported | Supported |
| VP9 | Not supported | Supported |
Encoder: NVENC 8th gen · Decoder: NVDEC 5th gen
Board
- Boost clock
- 2520 MHz(reference)
- Base clock
- 2230 MHz
- TDP
- 450W
- Recommended PSU
- 850W
- Power connectors
- 1 16-pin
Physical
- Cooling
- Air
- Warranty
- 3 years
- Length
- Reference design:
304 mmThis card: 358 mm - Slot width
- Reference design:
3 slotsThis card: 4 slots - Outputs
- Reference design:
1 HDMI 2.1, 3 Displayport 1.4aThis card: 2 HDMI 2.1, 3 Displayport 1.4a
Identifiers
- MPN
- ROG-STRIX-RTX4090-O24G-GA
- ASIN
- B0BGT61797
- EAN
- 0195553936880
- UPC
- 195553936880
Chip-level specs — cores, memory, die, APIs, media engine and platform features — are shared by every version of the GeForce RTX 4090. The Board, Physical and Identifier boxes are specific to this ASUS variant; a struck-through value shows where it differs from the reference design.
Across generations
Where the GeForce RTX 4090 sits in ASUS’s lineup — the generation before and after.
Other versions of the GeForce RTX 4090
Same GPU, different board, picked by what buyers usually compare.
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