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GIGABYTE GeForce RTX 4090 WINDFORCE 24G
Gigabyte

GeForce RTX 4090 WINDFORCE 24G

Nvidia's GeForce RTX 4090 was the fastest GPU of its generation, now succeeded by the RTX 5090.

GPUs
8.5/10What the pros sayExcellentExpert consensus · Verified Oct 8, 2026See score breakdown ↓
Buying call

Buy an RTX 4090 card only used or at a fair price: reviewers praised its huge performance jump, DLSS 3 frame generation and strong creative performance, and it remains extremely fast at 4K. Skip it if you're buying new at full price, since Nvidia's RTX 5090 replaced it. It's very large and power-hungry, its 16-pin power connector worried some reviewers, and gains are limited below 4K.

Full verdict ↓
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Editor testedHands-on testing and real-world use
Real-world useBased on everyday testing, not a spec sheet
Unbiased reviewIndependent and objective, sources shown
GeForce RTX 4090 WINDFORCE 24GCheck priceSee price
Key specs
GPU
GeForce RTX 4090
VRAM
24 GB GDDR6X
Boost clock
2520 MHz
PSU
850 W
Highlights

Specs that matter

Performance
GPU
GeForce RTX 4090
Price & availability

Where to buy

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Buying decision

Should you buy it?

Buy an RTX 4090 card only used or at a fair price: reviewers praised its huge performance jump, DLSS 3 frame generation and strong creative performance, and it remains extremely fast at 4K. Skip it if you're buying new at full price, since Nvidia's RTX 5090 replaced it. It's very large and power-hungry, its 16-pin power connector worried some reviewers, and gains are limited below 4K.

Best for

4K gamers and creators buying used.

Not for

1080p and 1440p gamers and small cases.

Main strengthHuge 4K performance
Main weaknessVery expensive
Reasons to buy
Huge 4K performance
DLSS 3 frame generation
Excellent for creative work
Reasons to avoid
Very expensive
Large and power-hungry
Limited gains below 4K
Replaced by RTX 5090
Measured view8.5/10What the pros say · verified oct 8, 2026.
ScoreVerified Oct 8, 2026
Head to head

How it stacks up

Open a comparison for the full side-by-side view.

Choose a gadget
GIGABYTE GeForce RTX 4090 WINDFORCE 24G
This deviceGeForce RTX 4090 WINDFORCE 24G
VS
GIGABYTE GeForce RTX 5080 GAMING OC 16G
AlternativeGIGABYTE GeForce RTX 5080 GAMING OC 16G
Score
8.5—
Full comparison
GIGABYTE GeForce RTX 4090 WINDFORCE 24G
This deviceGeForce RTX 4090 WINDFORCE 24G
VS
GIGABYTE GeForce RTX 5080 WINDFORCE OC SFF 16G
AlternativeGIGABYTE GeForce RTX 5080 WINDFORCE OC SFF 16G
Score
8.5—
Full comparison
GIGABYTE GeForce RTX 4090 WINDFORCE 24G
This deviceGeForce RTX 4090 WINDFORCE 24G
VS
GIGABYTE GeForce RTX 5070 Ti GAMING OC 16G
AlternativeGIGABYTE GeForce RTX 5070 Ti GAMING OC 16G
Score
8.5—
Full comparison
Same category

Alternatives worth a look

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GeForce RTX 5080 GAMING OC 16G—
GigabyteGeForce RTX 5080 GAMING OC 16G
GeForce RTX 5080 WINDFORCE OC SFF 16G—
GigabyteGeForce RTX 5080 WINDFORCE OC SFF 16G
GeForce RTX 5070 Ti GAMING OC 16G—
GigabyteGeForce RTX 5070 Ti GAMING OC 16GGigabyte Gaming OC RTX 5070 Ti — Blackwell 1440p/light-4K
GeForce RTX 5070 Ti AERO OC 16G—
GigabyteGeForce RTX 5070 Ti AERO OC 16G
Product data

Full specifications

25 attributes, grouped for quick scanning. Verified Oct 8, 2026. Spot a wrong value? Hit the next to it.

Max Displays
4
Max Resolution
7680 x 4320 pixels
Displayport Version
1.4
Displayport Ports
3
Gpu Architecture
Ada Lovelace
Cuda Cores
16,384
Gpu Name
GeForce RTX 4090
Gpu Vendor
NVIDIA
Hdmi Version
2.1
Hdmi Ports
1
Memory Clock Mhz
2100
Memory Bus Bit
384
Memory Type
GDDR6X
Vram
24
Depth
2.76 in (70 mm)
Height
5.91 in (15 cm)
Length
13.03 in (33.1 cm)
Boost Clock Mhz
2520
Architecture
Ada Lovelace
Form Factor
Full-Height/Full-Length (FH/FL)
Fan Count
3
Cooling Type
Active
Power Connectors
1x 16-pin
Recommended Psu
850
Pcie Interface
PCI Express 4.0
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