NVIDIA B100 vs NVIDIA RTX A4000H
We compared two Desktop platform GPUs: 96GB VRAM B100 and 16GB VRAM RTX A4000H to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA B100 's Advantages
Released 3 years and 7 months late
Boost Clock has increased by 18% (1837MHz vs 1560MHz)
More VRAM (96GB vs 16GB)
Larger VRAM bandwidth (4.10TB/s vs 448.0GB/s)
10752 additional rendering cores
NVIDIA RTX A4000H 's Advantages
Lower TDP (140W vs 1000W)
Score
Benchmark
FP32 (float)
B100
+223%
62.08 TFLOPS
RTX A4000H
19.17 TFLOPS
Graphics Card
Nov 2024
Release Date
Apr 2021
Server Blackwell
Generation
Quadro Ampere
Desktop
Type
Desktop
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1665 MHz
Base Clock
735 MHz
1837 MHz
Boost Clock
1560 MHz
2000 MHz
Memory Clock
1750 MHz
Memory
96GB
Memory Size
16GB
HBM3e
Memory Type
GDDR6
4096bit
Memory Bus
256bit
4.10TB/s
Bandwidth
448.0GB/s
Render Config
-
-
-
132
SM Count
48
16896
Shading Units
6144
528
TMUs
192
24
ROPs
96
528
Tensor Cores
192
-
RT Cores
48
256 KB (per SM)
L1 Cache
128 KB (per SM)
50 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
44.09 GPixel/s
Pixel Rate
149.8 GPixel/s
969.9 GTexel/s
Texture Rate
299.5 GTexel/s
248.3 TFLOPS
FP16 (half)
19.17 TFLOPS
62.08 TFLOPS
FP32 (float)
19.17 TFLOPS
31.04 TFLOPS
FP64 (double)
299.5 GFLOPS
Board Design
1000W
TDP
140W
1400 W
Suggested PSU
300 W
No outputs
Outputs
4x DisplayPort 1.4a
-
Power Connectors
1x 6-pin
Graphics Processor
GB102
GPU Name
GA104
-
GPU Variant
GA104-???-A1
Blackwell
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
104 billion
Transistors
17.4 billion
Unknown
Die Size
392 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
6.7
