NVIDIA GeForce RTX 5080 vs NVIDIA L20
GPU Specs Compare
Graphics Card
Release Date
Jan 2025
Nov 2023
Generation
GeForce 50
Server Ada
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2295 MHz
1440 MHz
Boost Clock
2617 MHz
2520 MHz
Memory Clock
1875 MHz
2250 MHz
Memory
Memory Size
16GB
48GB
Memory Type
GDDR7
GDDR6
Memory Bus
256bit
384bit
Bandwidth
960.0GB/s
864.0GB/s
Render Config
SM Count
84
92
Shading Units
10752
11776
TMUs
336
368
ROPs
112
128
Tensor Cores
336
368
RT Cores
84
92
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
96 MB
Theoretical Performance
Pixel Rate
293.1 GPixel/s
322.6 GPixel/s
Texture Rate
879.3 GTexel/s
927.4 GTexel/s
FP16 (half)
56.28 TFLOPS
59.35 TFLOPS
FP32 (float)
56.28 TFLOPS
59.35 TFLOPS
FP64 (double)
879.3 GFLOPS
927.4 GFLOPS
Graphics Processor
GPU Name
GB203
AD102
GPU Variant
GB203-400-A1
AD102
Architecture
Blackwell 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
45.6 billion
76.3 billion
Die Size
378 mm²
609 mm²
Board Design
TDP
360W
275W
Suggested PSU
750 W
600 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
4x DisplayPort 1.4a
Power Connectors
1x 16-pin
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.4
CUDA
12.0
8.9
Shader Model
6.8
6.9
📊 Benchmark
3DMark Time Spy
33,116
-
3DMark Time Spy Extreme
16,627
-
3DMark Speed Way
9,296
-