NVIDIA RTX A4000 Mobile vs NVIDIA GB10
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Oct 2025
Generation
Ampere-MW
Server Blackwell
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1140 MHz
1665 MHz
Boost Clock
1680 MHz
2418 MHz
Memory Clock
1500 MHz
1067 MHz
Memory
Memory Size
8GB
128GB
Memory Type
GDDR6
LPDDR5X
Memory Bus
256bit
256bit
Bandwidth
384.0GB/s
273.2GB/s
Render Config
SM Count
40
48
Shading Units
5120
6144
TMUs
160
384
ROPs
80
48
Tensor Cores
160
384
RT Cores
40
48
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
4 MB
50 MB
Theoretical Performance
Pixel Rate
134.4 GPixel/s
116.1 GPixel/s
Texture Rate
268.8 GTexel/s
928.5 GTexel/s
FP16 (half)
17.20 TFLOPS
29.71 TFLOPS
FP32 (float)
17.20 TFLOPS
29.71 TFLOPS
FP64 (double)
268.8 GFLOPS
464.3 GFLOPS
Graphics Processor
GPU Name
GA104
GB20B
Architecture
Ampere
Blackwell 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
3 nm
Transistors
17.4 billion
Unknown
Die Size
392 mm²
Unknown
Board Design
TDP
115W
140W
Outputs
Portable Device Dependent
1x HDMI
Power Connectors
None
None
Suggested PSU
—
300 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.6
12.1
Shader Model
6.8
N/A
Benchmark
Blender
2,825
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▲ Specs Compare
Data sourced from official specifications and benchmark tests.