NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon R9 380
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Jun 2015
Generation
Navi IV
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1700 MHz
—
Boost Clock
3130 MHz
—
Memory Clock
2518 MHz
1375 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
322.3GB/s
176.0GB/s
Render Config
SM Count
80
—
Compute Units
32
28
Shading Units
2048
1792
TMUs
128
112
ROPs
64
32
Tensor Cores
320
—
RT Cores
32
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
200.3 GPixel/s
31.04 GPixel/s
Texture Rate
400.6 GTexel/s
108.6 GTexel/s
FP16 (half)
51.28 TFLOPS
3.476 TFLOPS
FP32 (float)
25.64 TFLOPS
3.476 TFLOPS
FP64 (double)
801.3 GFLOPS
217.3 GFLOPS
Graphics Processor
GPU Name
Navi 44
Antigua
GPU Variant
Navi 44 XT(215-176400102)
Antigua PRO(215-0877000)
Architecture
RDNA 4.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
29.7 billion
5 billion
Die Size
199 mm²
366 mm²
Board Design
TDP
150W
190W
Suggested PSU
450 W
450 W
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 8-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.0
Vulkan
1.3
1.2
CUDA
8.6
—
Shader Model
6.8
6.3
Benchmark
Blender
5,956
—
3DMark Time Spy
—
2,757
3DMark Time Spy Extreme
—
1,239
▲ Specs Compare
Data sourced from official specifications and benchmark tests.