GeForce RTX 4080 vs B100
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 96GB VRAM B100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Boost Clock has increased by 36% (2505MHz vs 1837MHz)
Lower TDP (320W vs 1000W)
B100 's Advantages
Released 2 years and 2 months late
More VRAM (96GB vs 16GB)
Larger VRAM bandwidth (4.10TB/s vs 716.8GB/s)
7168 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 4080
48740
B100
+27%
62080
Graphics Card
Sep 2022
Release Date
Nov 2024
GeForce 40
Generation
Server Blackwell
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
2205 MHz
Base Clock
1665 MHz
2505 MHz
Boost Clock
1837 MHz
1400 MHz
Memory Clock
2000 MHz
Memory
16GB
Memory Size
96GB
GDDR6X
Memory Type
HBM3e
256bit
Memory Bus
4096bit
716.8GB/s
Bandwidth
4.10TB/s
Render Config
76
SM Count
132
9728
Shading Units
16896
304
TMUs
528
112
ROPs
24
304
Tensor Cores
528
76
RT Cores
-
128 KB (per SM)
L1 Cache
256 KB (per SM)
64 MB
L2 Cache
50 MB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
44.09 GPixel/s
761.5 GTexel/s
Texture Rate
969.9 GTexel/s
48.74 TFLOPS
FP16 (half)
248.3 TFLOPS
48.74 TFLOPS
FP32 (float)
62.08 TFLOPS
761.5 GFLOPS
FP64 (double)
31.04 TFLOPS
Board Design
320W
TDP
1000W
700 W
Suggested PSU
1400 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
No outputs
1x 16-pin
Power Connectors
-
Graphics Processor
AD103
GPU Name
GB102
AD103-300-A1
GPU Variant
-
Ada Lovelace
Architecture
Blackwell
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
45.9 billion
Transistors
104 billion
379 mm²
Die Size
Unknown
Graphics Features
12 Ultimate (12_2)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.3
Vulkan
N/A
8.9
CUDA
10.1
6.7
Shader Model
N/A
