NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA A100 SXM4 80 GB
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Nov 2020
Generation
Navi IV
Tesla Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1700 MHz
1275 MHz
Boost Clock
3130 MHz
1410 MHz
Memory Clock
2518 MHz
1593 MHz
Memory
Memory Size
8GB
80GB
Memory Type
GDDR6
HBM2e
Memory Bus
128bit
5120bit
Bandwidth
322.3GB/s
2039GB/s
Render Config
SM Count
80
108
Compute Units
32
—
Shading Units
2048
6912
TMUs
128
432
ROPs
64
160
Tensor Cores
320
432
RT Cores
32
—
L1 Cache
128 KB (per SM)
192 KB (per SM)
L2 Cache
4 MB
40 MB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
200.3 GPixel/s
225.6 GPixel/s
Texture Rate
400.6 GTexel/s
609.1 GTexel/s
FP16 (half)
51.28 TFLOPS
77.97 TFLOPS
FP32 (float)
25.64 TFLOPS
19.49 TFLOPS
FP64 (double)
801.3 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
Navi 44
GA100
GPU Variant
Navi 44 XT(215-176400102)
—
Architecture
RDNA 4.0
Ampere
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
29.7 billion
54.2 billion
Die Size
199 mm²
826 mm²
Board Design
TDP
150W
400W
Suggested PSU
450 W
800 W
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
No outputs
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
CUDA
8.6
8.0
Shader Model
6.8
N/A
Benchmark
Blender
5,956
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.