NVIDIA RTX A4000H vs NVIDIA B100
We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 96GB VRAM B100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4000H 's Advantages
Lower TDP (140W vs 1000W)
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
Score
Benchmark
FP32 (float)
RTX A4000H
19.17 TFLOPS
B100
+223%
62.08 TFLOPS
Graphics Card
Apr 2021
Release Date
Nov 2024
Quadro Ampere
Generation
Server Blackwell
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
735 MHz
Base Clock
1665 MHz
1560 MHz
Boost Clock
1837 MHz
1750 MHz
Memory Clock
2000 MHz
Memory
16GB
Memory Size
96GB
GDDR6
Memory Type
HBM3e
256bit
Memory Bus
4096bit
448.0GB/s
Bandwidth
4.10TB/s
Render Config
-
-
-
48
SM Count
132
6144
Shading Units
16896
192
TMUs
528
96
ROPs
24
192
Tensor Cores
528
48
RT Cores
-
128 KB (per SM)
L1 Cache
256 KB (per SM)
4 MB
L2 Cache
50 MB
-
-
-
Theoretical Performance
149.8 GPixel/s
Pixel Rate
44.09 GPixel/s
299.5 GTexel/s
Texture Rate
969.9 GTexel/s
19.17 TFLOPS
FP16 (half)
248.3 TFLOPS
19.17 TFLOPS
FP32 (float)
62.08 TFLOPS
299.5 GFLOPS
FP64 (double)
31.04 TFLOPS
Board Design
140W
TDP
1000W
300 W
Suggested PSU
1400 W
4x DisplayPort 1.4a
Outputs
No outputs
1x 6-pin
Power Connectors
-
Graphics Processor
GA104
GPU Name
GB102
GA104-???-A1
GPU Variant
-
Ampere
Architecture
Blackwell
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
17.4 billion
Transistors
104 billion
392 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
8.6
CUDA
10.1
6.7
Shader Model
N/A
