NVIDIA GeForce RTX 2080 vs NVIDIA GeForce RTX 3080 Ti 20 GB
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 2080 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 2080 's Advantages
Boost Clock has increased by 3% (1710MHz vs 1665MHz)
Lower TDP (215W vs 350W)
NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages
Released 3 years and 4 months late
More VRAM (20GB vs 8GB)
Larger VRAM bandwidth (760.3GB/s vs 448.0GB/s)
7296 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 2080
10.07 TFLOPS
GeForce RTX 3080 Ti 20 GB
+238%
34.1 TFLOPS
3DMark Time Spy
GeForce RTX 2080
11078
GeForce RTX 3080 Ti 20 GB
+73%
19216
3DMark Time Spy Extreme
GeForce RTX 2080
5146
GeForce RTX 3080 Ti 20 GB
+88%
9720
3DMark Speed Way
GeForce RTX 2080
2171
GeForce RTX 3080 Ti 20 GB
+126%
4926
Graphics Card
Sep 2018
Release Date
Jan 2022
GeForce 20
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1515 MHz
Base Clock
1335 MHz
1710 MHz
Boost Clock
1665 MHz
1750 MHz
Memory Clock
1188 MHz
Memory
8GB
Memory Size
20GB
GDDR6
Memory Type
GDDR6X
256bit
Memory Bus
320bit
448.0GB/s
Bandwidth
760.3GB/s
Render Config
-
-
-
46
SM Count
80
2944
Shading Units
10240
184
TMUs
320
64
ROPs
112
368
Tensor Cores
320
46
RT Cores
80
64 KB (per SM)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
6 MB
-
-
-
Theoretical Performance
109.4 GPixel/s
Pixel Rate
186.5 GPixel/s
314.6 GTexel/s
Texture Rate
532.8 GTexel/s
20.14 TFLOPS
FP16 (half)
34.10 TFLOPS
10.07 TFLOPS
FP32 (float)
34.10 TFLOPS
314.6 GFLOPS
FP64 (double)
532.8 GFLOPS
Board Design
215W
TDP
350W
550 W
Suggested PSU
750 W
1x HDMI 2.0
3x DisplayPort 1.4a
1x USB Type-C
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 12-pin
Graphics Processor
TU104
GPU Name
GA102
TU104-400A-A1
GPU Variant
GA102-225-A1
Turing
Architecture
Ampere
TSMC
Foundry
Samsung
12 nm
Process Size
8 nm
13.6 billion
Transistors
28.3 billion
545 mm²
Die Size
628 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
1.3
7.5
CUDA
8.6
6.6
Shader Model
6.6
