NVIDIA GeForce GTX 880M vs NVIDIA B300 SXM6 AC
GPU · Specs Compare
Graphics Card
Release Date
Mar 2014
Sep 2025
Generation
GeForce 800M
Server Blackwell
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 6.0 x16
Clock Speeds
Base Clock
954 MHz
1665 MHz
Boost Clock
993 MHz
2032 MHz
Memory Clock
1250 MHz
2000 MHz
Memory
Memory Size
8GB
288GB
Memory Type
GDDR5
HBM3e
Memory Bus
256bit
8192bit
Bandwidth
160.0GB/s
8.19TB/s
Render Config
Shading Units
1536
18944
TMUs
128
592
ROPs
32
24
L1 Cache
16 KB (per SMX)
256 KB (per SM)
L2 Cache
512 KB
126 MB
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
31.78 GPixel/s
48.77 GPixel/s
Texture Rate
127.1 GTexel/s
1202.9 GTexel/s
FP32 (float)
3.050 TFLOPS
76.99 TFLOPS
FP64 (double)
127.1 GFLOPS
1202.9 GFLOPS
FP16 (half)
—
76.99 TFLOPS
Graphics Processor
GPU Name
GK104
GB110
GPU Variant
N15E-GX-A2
—
Architecture
Kepler
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
3.54 billion
208 billion
Die Size
294 mm²
1628 mm²
Board Design
TDP
122W
1100W
Outputs
No outputs
No outputs
Power Connectors
None
—
Suggested PSU
—
1500 W
Graphics Features
DirectX
12 (11_0)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.1
N/A
CUDA
3.0
10.3
Shader Model
5.1
N/A
Benchmark
Blender
190
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.