NVIDIA GeForce RTX 3080 vs NVIDIA GeForce RTX 5080 SUPER
We compared two Desktop platform GPUs: 10GB VRAM GeForce RTX 3080 and 24GB VRAM GeForce RTX 5080 SUPER to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 's Advantages
Lower TDP (320W vs 360W)
NVIDIA GeForce RTX 5080 SUPER 's Advantages
Boost Clock has increased by 53% (2617MHz vs 1710MHz)
More VRAM (24GB vs 10GB)
Larger VRAM bandwidth (1.02TB/s vs 760.3GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 3080
29.77 TFLOPS
GeForce RTX 5080 SUPER
+89%
56.28 TFLOPS
Graphics Card
Sep 2020
Release Date
Unknown
GeForce 30
Generation
GeForce 50
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
1440 MHz
Base Clock
2295 MHz
1710 MHz
Boost Clock
2617 MHz
1188 MHz
Memory Clock
2000 MHz
Memory
10GB
Memory Size
24GB
GDDR6X
Memory Type
GDDR7
320bit
Memory Bus
256bit
760.3GB/s
Bandwidth
1.02TB/s
Render Config
-
-
-
68
SM Count
84
8704
Shading Units
10752
272
TMUs
336
96
ROPs
112
272
Tensor Cores
336
68
RT Cores
84
128 KB (per SM)
L1 Cache
128 KB (per SM)
5 MB
L2 Cache
64 MB
-
-
-
Theoretical Performance
164.2 GPixel/s
Pixel Rate
293.1 GPixel/s
465.1 GTexel/s
Texture Rate
879.3 GTexel/s
29.77 TFLOPS
FP16 (half)
56.28 TFLOPS
29.77 TFLOPS
FP32 (float)
56.28 TFLOPS
465.1 GFLOPS
FP64 (double)
879.3 GFLOPS
Board Design
320W
TDP
360W
700 W
Suggested PSU
750 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1b
1x 12-pin
Power Connectors
1x 16-pin
Graphics Processor
GA102
GPU Name
GB203
GA102-200-KD-A1
GPU Variant
GB203-450-A1
Ampere
Architecture
Blackwell 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
28.3 billion
Transistors
45.6 billion
628 mm²
Die Size
378 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
1.4
8.6
CUDA
12.0
6.6
Shader Model
6.8
