GeForce RTX 2080 vs GeForce RTX 4080 16 GB
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 2080 and 16GB VRAM GeForce RTX 4080 16 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 2080 's Advantages
Lower TDP (215W vs 320W)
GeForce RTX 4080 16 GB 's Advantages
Released 4 years late
Boost Clock has increased by 46% (2505MHz vs 1710MHz)
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (716.8GB/s vs 448.0GB/s)
6784 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 2080
10070
GeForce RTX 4080 16 GB
+384%
48740
Graphics Card
Sep 2018
Release Date
Sep 2022
GeForce 20
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1515 MHz
Base Clock
2205 MHz
1710 MHz
Boost Clock
2505 MHz
1750 MHz
Memory Clock
1400 MHz
Memory
8GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6X
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
716.8GB/s
Render Config
46
SM Count
76
2944
Shading Units
9728
184
TMUs
304
64
ROPs
112
368
Tensor Cores
304
46
RT Cores
76
64 KB (per SM)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
64 MB
Theoretical Performance
109.4 GPixel/s
Pixel Rate
280.6 GPixel/s
314.6 GTexel/s
Texture Rate
761.5 GTexel/s
20.14 TFLOPS
FP16 (half)
48.74 TFLOPS
10.07 TFLOPS
FP32 (float)
48.74 TFLOPS
314.6 GFLOPS
FP64 (double)
761.5 GFLOPS
Board Design
215W
TDP
320W
550 W
Suggested PSU
700 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 16-pin
Graphics Processor
TU104
GPU Name
AD103
TU104-400A-A1
GPU Variant
AD103-300-A1
Turing
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
12 nm
Process Size
4 nm
13.6 billion
Transistors
45.9 billion
545 mm²
Die Size
379 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
8.9
6.6
Shader Model
6.6
