AMD Radeon 740M vs NVIDIA B300 SXM6 AC
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Sep 2025
Generation
Navi III IGP
Server Blackwell
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 6.0 x16
Clock Speeds
Base Clock
800 MHz
1665 MHz
Boost Clock
2800 MHz
2032 MHz
Memory Clock
System Shared
2000 MHz
Memory
Memory Size
System Shared
288GB
Memory Type
System Shared
HBM3e
Memory Bus
System Shared
8192bit
Bandwidth
System Dependent
8.19TB/s
Render Config
Compute Units
4
-
Shading Units
256
18944
TMUs
16
592
ROPs
8
24
RT Cores
4
-
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
2 MB
126 MB
SM Count
-
148
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
22.40 GPixel/s
48.77 GPixel/s
Texture Rate
44.80 GTexel/s
1202.9 GTexel/s
FP16 (half)
5.734 TFLOPS
76.99 TFLOPS
FP32 (float)
2.867 TFLOPS
76.99 TFLOPS
FP64 (double)
179.2 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Hawx Point
GB110
Architecture
RDNA 3.0
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
25.39 billion
208 billion
Die Size
178 mm²
1628 mm²
Board Design
TDP
15W
1100W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
-
Suggested PSU
-
1500 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.8
N/A
CUDA
-
10.3