GeForce RTX 4080 Ti vs GeForce RTX 4090
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 Ti and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 Ti Advantages
Boost Clock has increased by 4% (2610MHz vs 2520MHz)
Lower TDP (400W vs 450W)
GeForce RTX 4090 Advantages
More VRAM (24GB vs 16GB)
Larger VRAM bandwidth (1.01TB/s vs 678.4GB/s)
2304 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 4080 Ti
73500
GeForce RTX 4090
+12%
82580
Graphics Card
Unknown
Release Date
Sep 2022
GeForce 40
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
2340 MHz
Base Clock
2235 MHz
2610 MHz
Boost Clock
2520 MHz
1325 MHz
Memory Clock
1313 MHz
Memory
16GB
Memory Size
24GB
GDDR6X
Memory Type
GDDR6X
256bit
Memory Bus
384bit
678.4GB/s
Bandwidth
1.01TB/s
Render Config
110
SM Count
128
14080
Shading Units
16384
440
TMUs
512
144
ROPs
176
440
Tensor Cores
512
110
RT Cores
128
128 KB (per SM)
L1 Cache
128 KB (per SM)
80 MB
L2 Cache
72 MB
Theoretical Performance
375.8 GPixel/s
Pixel Rate
443.5 GPixel/s
1148 GTexel/s
Texture Rate
1290 GTexel/s
73.50 TFLOPS
FP16 (half)
82.58 TFLOPS
73.50 TFLOPS
FP32 (float)
82.58 TFLOPS
1148 GFLOPS
FP64 (double)
1290 GFLOPS
Board Design
400W
TDP
450W
800 W
Suggested PSU
850 W
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
1x 16-pin
Power Connectors
1x 16-pin
Graphics Processor
AD102
GPU Name
AD102
AD102-225-A1
GPU Variant
AD102-300-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
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
6.8
