NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA RTX 4000 SFF Ada Generation
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Nov 2018
Generation
Navi IV
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1700 MHz
1200 MHz
Boost Clock
3130 MHz
1746 MHz
Memory Clock
2518 MHz
1000 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
HBM2
Memory Bus
128bit
4096bit
Bandwidth
322.3GB/s
1.02TB/s
Render Config
SM Count
80
48
Compute Units
32
60
Shading Units
2048
3840
TMUs
128
240
ROPs
64
64
Tensor Cores
320
192
RT Cores
32
48
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
4 MB
L3 Cache
32 MB
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Theoretical Performance
Pixel Rate
200.3 GPixel/s
111.7 GPixel/s
Texture Rate
400.6 GTexel/s
419.0 GTexel/s
FP16 (half)
51.28 TFLOPS
26.82 TFLOPS
FP32 (float)
25.64 TFLOPS
13.41 TFLOPS
FP64 (double)
801.3 GFLOPS
6.705 TFLOPS
Graphics Processor
GPU Name
Navi 44
Vega 20
GPU Variant
Navi 44 XT(215-176400102)
Vega 20 GLXT
Architecture
RDNA 4.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
29.7 billion
13.23 billion
Die Size
199 mm²
331 mm²
Board Design
TDP
150W
300W
Suggested PSU
450 W
700 W
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
1x mini-DisplayPort 1.4a
Power Connectors
1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.3
CUDA
8.6
8.9
Shader Model
6.8
6.7
📊 Benchmark
Blender
5,956
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