NVIDIA B100 vs NVIDIA GeForce RTX 3080
We compared two Desktop platform GPUs: 96GB VRAM B100 and 10GB VRAM GeForce RTX 3080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA B100 's Advantages
Released 4 years and 2 months late
Boost Clock has increased by 7% (1837MHz vs 1710MHz)
More VRAM (96GB vs 10GB)
Larger VRAM bandwidth (4.10TB/s vs 760.3GB/s)
8192 additional rendering cores
NVIDIA GeForce RTX 3080 's Advantages
Lower TDP (320W vs 1000W)
Score
Benchmark
FP32 (float)
B100
+108%
62.08 TFLOPS
GeForce RTX 3080
29.77 TFLOPS
Graphics Card
Nov 2024
Release Date
Sep 2020
Server Blackwell
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1665 MHz
Base Clock
1440 MHz
1837 MHz
Boost Clock
1710 MHz
2000 MHz
Memory Clock
1188 MHz
Memory
96GB
Memory Size
10GB
HBM3e
Memory Type
GDDR6X
4096bit
Memory Bus
320bit
4.10TB/s
Bandwidth
760.3GB/s
Render Config
-
-
-
132
SM Count
68
16896
Shading Units
8704
528
TMUs
272
24
ROPs
96
528
Tensor Cores
272
-
RT Cores
68
256 KB (per SM)
L1 Cache
128 KB (per SM)
50 MB
L2 Cache
5 MB
-
-
-
Theoretical Performance
44.09 GPixel/s
Pixel Rate
164.2 GPixel/s
969.9 GTexel/s
Texture Rate
465.1 GTexel/s
248.3 TFLOPS
FP16 (half)
29.77 TFLOPS
62.08 TFLOPS
FP32 (float)
29.77 TFLOPS
31.04 TFLOPS
FP64 (double)
465.1 GFLOPS
Board Design
1000W
TDP
320W
1400 W
Suggested PSU
700 W
No outputs
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
-
Power Connectors
1x 12-pin
Graphics Processor
GB102
GPU Name
GA102
-
GPU Variant
GA102-200-KD-A1
Blackwell
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
104 billion
Transistors
28.3 billion
Unknown
Die Size
628 mm²
Graphics Features
N/A
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.3
10.1
CUDA
8.6
N/A
Shader Model
6.6
