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Gigabyte GeForce RTX 5090 Gaming OC Review

We have the Gigabyte GeForce RTX 5090 Gaming OC, the company's most budget-friendly custom design for this generation's flagship gaming GPU. Gigabyte's Gaming OC series is positioned just below the AORUS Gaming series, aimed at buyers focused on a specific GPU without the need for extra flair. These cards are usually priced close to NVIDIA's MSRP, which for the RTX 5090 is a steep $4,000. The Gigabyte RTX 5090 Gaming OC is not exactly inexpensive, yet it offers impressive features, including a large 4-slot cooling system with a vapor chamber plate, multiple stacked heat pipes, a substantial aluminum fin-stack array, and three large axial flow fans that nearly touch at their edges. RGB LED lighting is minimal, limited to an illuminated logo.



Gigabyte GeForce RTX 5090 Gaming OC Review
Gigabyte GeForce RTX 5090 Gaming OC Review

The GeForce RTX 5090 is crafted with one primary goal: to be the fastest graphics card available. This powerful GPU takes the GeForce Blackwell graphics architecture and the NVIDIA 4N process node to their extremes. It delivers enough power to run games at 4K Ultra HD native resolution with ray tracing enabled, and potentially even at high refresh rates. The card also introduces new possibilities, such as gaming on an 8K display, by leveraging technologies like DLSS 4 Multi Frame Generation. Beyond being a top-tier gaming GPU, the RTX 5090 excels in AI acceleration, utilizing the latest FP4-capable Tensor cores and a massive array of 170 SM or 21,760 concurrent FP32+INT32 CUDA cores. A significant generational upgrade lies in its memory, offering 32 GB of the latest 28 Gbps GDDR7 memory across a wide 512-bit memory bus, resulting in 1.792 TB/s of bandwidth. This marks the first generation of graphics cards to feature PCI-Express 5.0 x16.



The Blackwell graphics architecture introduces a groundbreaking technology to consumer 3D graphics, akin to raster 3D, programmable shaders, and real-time ray tracing; this innovation is known as Neural Rendering. You've witnessed the incredible capabilities of generative AI in producing photorealistic images and videos. NVIDIA has discovered a method for the GPU to simultaneously run a generative AI model and render graphics, enabled by a new component called AMP (AI management processor).





The GPU integrates 3D objects generated by the generative AI model with raster 3D graphics, similar to how it combines real-time ray-traced objects. This results in a significant advancement in photorealism and geometric detail. We were impressed by the tech demos NVIDIA presented at CES and are eager to see game developers adopt this technology. NVIDIA has partnered with Microsoft to standardize this technology, allowing 3D applications to directly utilize Tensor cores. The shader execution reordering engine is compatible with neural shaders.


The new 4th Generation RT core includes hardware enhancements for Mega Geometry, allowing ray-traced objects to have exponentially higher poly counts and enabling these surfaces to interact accurately with rays. Additionally, there's DLSS 4. NVIDIA has replaced the CNN-based AI model that powered DLSS components with a new transformer-based model, offering greater accuracy and improved image quality across all performance presets.


This is compatible with the RTX 40-series Ada and RTX 30-series Ampere generations. However, Multi Frame Generation is exclusive to Blackwell. NVIDIA's frame generation AI model can now create not just every second frame after a traditionally rendered one, but up to three AI-generated frames, using motion vectors and other data.


When combined with super resolution, this allows the rendering power of 1 pixel to create up to 16 pixels. This feature depends on a critical hardware component in Blackwell's display engine, known as hardware flip-metering, which is why it's exclusive to Blackwell.


The RTX 5090 features the GB202 silicon, a GPU package the size of a coaster, with a large monolithic die measuring 750 mm² and containing 92 billion transistors. This chip package is significantly larger than recent NVIDIA creations, as it includes power pins to support a total graphics power of 575 W and a 512-bit GDDR7 memory bus. The GB202 has 192 SM and 128 MB of L2 cache physically, but the RTX 5090 utilizes 170 of those SM and 96 MB of L2 cache.



Gigabyte GeForce RTX 5090 Gaming OC Review

Gigabyte's GeForce RTX 5090 Gaming OC showcases the latest generation of its WindForce 3X cooling system, featuring 100 mm axial flow fans that cool two large aluminum fin stacks, which dissipate heat from the GPU and memory through a vapor chamber plate. The card is equipped with a high factory overclock of 2550 MHz boost, compared to the 2407 MHz reference. It offers dual-BIOS, with the Silent BIOS maintaining these speeds with a more optimized fan curve. Gigabyte has priced the RTX 5090 Gaming OC at $2,350, which is a 17.5% premium over the NVIDIA baseline.




Price

Cores

ROPs

Core


Clock

Boost


Clock

Memory


Clock

GPU

Transistors

Memory

RTX 3080

$420

8704

96

1440 MHz

1710 MHz

1188 MHz

GA102

28000M

10 GB, GDDR6X, 320-bit

$490

5888

64

1920 MHz

2475 MHz

1313 MHz

AD104

35800M

12 GB, GDDR6X, 192-bit

RX 7800 XT

$440

3840

96

2124 MHz

2430 MHz

2425 MHz

Navi 32

28100M

16 GB, GDDR6, 256-bit

RX 6900 XT

$450

5120

128

2015 MHz

2250 MHz

2000 MHz

Navi 21

26800M

16 GB, GDDR6, 256-bit

RX 6950 XT

$630

5120

128

2100 MHz

2310 MHz

2250 MHz

Navi 21

26800M

16 GB, GDDR6, 256-bit

RTX 3090

$900

10496

112

1395 MHz

1695 MHz

1219 MHz

GA102

28000M

24 GB, GDDR6X, 384-bit

RTX 4070 Super

$590

7168

80

1980 MHz

2475 MHz

1313 MHz

AD104

35800M

12 GB, GDDR6X, 192-bit

RX 7900 GRE

$530

5120

160

1880 MHz

2245 MHz

2250 MHz

Navi 31

57700M

16 GB, GDDR6, 256-bit

RTX 4070 Ti

$700

7680

80

2310 MHz

2610 MHz

1313 MHz

AD104

35800M

12 GB, GDDR6X, 192-bit

RTX 4070 Ti Super

$750

8448

112

2340 MHz

2610 MHz

1313 MHz

AD103

45900M

16 GB, GDDR6X, 256-bit

RX 7900 XT

$620

5376

192

2000 MHz

2400 MHz

2500 MHz

Navi 31

57700M

20 GB, GDDR6, 320-bit

RTX 3090 Ti

$1000

10752

112

1560 MHz

1950 MHz

1313 MHz

GA102

28000M

24 GB, GDDR6X, 384-bit

RTX 4080

$1940

9728

112

2205 MHz

2505 MHz

1400 MHz

AD103

45900M

16 GB, GDDR6X, 256-bit

RTX 4080 Super

$1990

10240

112

2295 MHz

2550 MHz

1438 MHz

AD103

45900M

16 GB, GDDR6X, 256-bit

RX 7900 XTX

$1820

6144

192

2300 MHz

2500 MHz

2500 MHz

Navi 31

57700M

24 GB, GDDR6, 384-bit

RTX 5080

$2000

10752

112

2295 MHz

2617 MHz

1875 MHz

GB203

45600M

16 GB, GDDR7, 256-bit

RTX 4090

$4400

16384

176

2235 MHz

2520 MHz

1313 MHz

AD102

76300M

24 GB, GDDR6X, 384-bit

RTX 5090

$4000

21760

176

2017 MHz

2407 MHz

1750 MHz

GB202

92200M

32 GB, GDDR7, 512-bit

Gigabyte RTX 5090


Gaming OC

$4350

21760

176

2017 MHz

2550 MHz

1750 MHz

GB202

92200M

32 GB, GDDR7, 512-bit


Check out some of our prebuild systems with the latest 2025 Gigabyte 5090 series graphics card


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