AMD Radeon E9550 MXM vs NVIDIA B300
GPU Specs Compare
Graphics Card
Release Date
Sep 2016
Sep 2025
Generation
Embedded
Server Blackwell
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 5.0 x16
Clock Speeds
Base Clock
1120 MHz
1665 MHz
Boost Clock
1266 MHz
2032 MHz
Memory Clock
1250 MHz
2000 MHz
Memory
Memory Size
8GB
144GB
Memory Type
GDDR5
HBM3e
Memory Bus
256bit
4096bit
Bandwidth
160.0GB/s
4.10TB/s
Render Config
Compute Units
36
-
Shading Units
2304
18944
TMUs
144
592
ROPs
32
24
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
2 MB
50 MB
SM Count
-
148
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
40.51 GPixel/s
48.77 GPixel/s
Texture Rate
182.3 GTexel/s
1202.9 GTexel/s
FP16 (half)
5.834 TFLOPS
1231.8 TFLOPS
FP32 (float)
5.834 TFLOPS
76.99 TFLOPS
FP64 (double)
364.6 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Ellesmere
GB110
GPU Variant
Ellesmere XT
-
Architecture
GCN 4.0
Blackwell Ultra
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
5.7 billion
104 billion
Die Size
232 mm²
Unknown
Board Design
TDP
95W
1400W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Power Connectors
None
-
Suggested PSU
-
1800 W
Graphics Features
DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.2
N/A
Shader Model
6.4
N/A
CUDA
-
10.3