NVIDIA GeForce RTX 4080 Ti vs NVIDIA GeForce RTX 4090 Ti

VS

NVIDIA GeForce RTX 4080 Ti NVIDIA GeForce RTX 4090 Ti

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 4080 Ti and 24GB VRAM GeForce RTX 4090 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Ti 's Advantages

Lower TDP (400W vs 600W)

NVIDIA GeForce RTX 4090 Ti 's Advantages

Boost Clock has increased by 7% (2565MHz vs 2400MHz)

More VRAM (24GB vs 20GB)

Larger VRAM bandwidth (1152GB/s vs 848.0GB/s)

4096 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Ti

67.58 TFLOPS

GeForce RTX 4090 Ti +37%

93.24 TFLOPS

GeForce RTX 4080 Ti

VS

GeForce RTX 4090 Ti

Graphics Card

Unknown

Release Date

Unknown

GeForce 40

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2100 MHz

Base Clock

2325 MHz

2400 MHz

Boost Clock

2565 MHz

1325 MHz

Memory Clock

1500 MHz

Memory

20GB

Memory Size

24GB

GDDR6X

Memory Type

GDDR6X

320bit

Memory Bus

384bit

848.0GB/s

Bandwidth

1152GB/s

Render Config

110

SM Count

142

-

Compute Units

-

14080

Shading Units

18176

440

TMUs

568

144

ROPs

192

440

Tensor Cores

568

110

RT Cores

142

128 KB (per SM)

L1 Cache

128 KB (per SM)

80 MB

L2 Cache

96 MB

Theoretical Performance

345.6 GPixel/s

Pixel Rate

492.5 GPixel/s

1056 GTexel/s

Texture Rate

1457 GTexel/s

67.58 TFLOPS

FP16 (half)

93.24 TFLOPS

67.58 TFLOPS

FP32 (float)

93.24 TFLOPS

1056 GFLOPS

FP64 (double)

1457 GFLOPS

Graphics Processor

AD102

GPU Name

AD102

AD102-225-A1

GPU Variant

AD102-400-A1

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

76.3 billion

Transistors

76.3 billion

609 mm²

Die Size

609 mm²

Board Design

400W

TDP

600W

800 W

Suggested PSU

1000 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 16-pin

Power Connectors

2x 16-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

8.9

6.7

Shader Model

6.7

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