NVIDIA GeForce RTX 4090 Ti vs NVIDIA GeForce RTX 5080
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti and 16GB VRAM GeForce RTX 5080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090 Ti 's Advantages
More VRAM (24GB vs 16GB)
Larger VRAM bandwidth (1152GB/s vs 960.0GB/s)
7424 additional rendering cores
NVIDIA GeForce RTX 5080 's Advantages
Boost Clock has increased by 2% (2617MHz vs 2565MHz)
Lower TDP (360W vs 600W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Ti
+65%
93.24 TFLOPS
GeForce RTX 5080
56.28 TFLOPS
Graphics Card
Unknown
Release Date
Jan 2025
GeForce 40
Generation
GeForce 50
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
2325 MHz
Base Clock
2295 MHz
2565 MHz
Boost Clock
2617 MHz
1500 MHz
Memory Clock
1875 MHz
Memory
24GB
Memory Size
16GB
GDDR6X
Memory Type
GDDR7
384bit
Memory Bus
256bit
1152GB/s
Bandwidth
960.0GB/s
Render Config
-
-
-
142
SM Count
84
18176
Shading Units
10752
568
TMUs
336
192
ROPs
112
568
Tensor Cores
336
142
RT Cores
84
128 KB (per SM)
L1 Cache
128 KB (per SM)
96 MB
L2 Cache
64 MB
-
-
-
Theoretical Performance
492.5 GPixel/s
Pixel Rate
293.1 GPixel/s
1457 GTexel/s
Texture Rate
879.3 GTexel/s
93.24 TFLOPS
FP16 (half)
56.28 TFLOPS
93.24 TFLOPS
FP32 (float)
56.28 TFLOPS
1457 GFLOPS
FP64 (double)
879.3 GFLOPS
Board Design
600W
TDP
360W
1000 W
Suggested PSU
750 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1b
2x 16-pin
Power Connectors
1x 16-pin
Graphics Processor
AD102
GPU Name
GB203
AD102-400-A1
GPU Variant
GB203-400-A1
Ada Lovelace
Architecture
Blackwell 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
76.3 billion
Transistors
45.6 billion
609 mm²
Die Size
378 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
1.4
8.9
CUDA
10.1
6.7
Shader Model
6.8
