Home GPU Comparison NVIDIA GeForce RTX 4090D vs NVIDIA GeForce RTX 3080 Ti 20 GB

NVIDIA GeForce RTX 4090D vs NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090D and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090D 's Advantages
Released 1 years and 11 months late
Boost Clock has increased by 51% (2520MHz vs 1665MHz)
More VRAM (24GB vs 20GB)
Larger VRAM bandwidth (1008GB/s vs 760.3GB/s)
4352 additional rendering cores
NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages
Lower TDP (350W vs 425W)

Score

Benchmark

FP32 (float)
GeForce RTX 4090D +115%
73.54 TFLOPS
GeForce RTX 3080 Ti 20 GB
34.1 TFLOPS
VS

Graphics Card

Dec 2023
Release Date
Jan 2022
GeForce 40
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

2280 MHz
Base Clock
1335 MHz
2520 MHz
Boost Clock
1665 MHz
1313 MHz
Memory Clock
1188 MHz

Memory

24GB
Memory Size
20GB
GDDR6X
Memory Type
GDDR6X
384bit
Memory Bus
320bit
1008GB/s
Bandwidth
760.3GB/s

Render Config

114
SM Count
80
-
Compute Units
-
14592
Shading Units
10240
456
TMUs
320
176
ROPs
112
456
Tensor Cores
320
114
RT Cores
80
128 KB (per SM)
L1 Cache
128 KB (per SM)
72 MB
L2 Cache
6 MB

Theoretical Performance

443.5 GPixel/s
Pixel Rate
186.5 GPixel/s
1149 GTexel/s
Texture Rate
532.8 GTexel/s
73.54 TFLOPS
FP16 (half)
34.10 TFLOPS
73.54 TFLOPS
FP32 (float)
34.10 TFLOPS
1149 GFLOPS
FP64 (double)
532.8 GFLOPS

Graphics Processor

AD102
GPU Name
GA102
AD102-250-A1
GPU Variant
GA102-225-A1
Ada Lovelace
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
76.3 billion
Transistors
28.3 billion
609 mm²
Die Size
628 mm²

Board Design

425W
TDP
350W
800 W
Suggested PSU
750 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
1x 16-pin
Power Connectors
1x 12-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
8.6
6.7
Shader Model
6.6

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