NVIDIA GeForce GTX 780 vs NVIDIA B300
GPU Specs Compare
Graphics Card
Release Date
May 2013
Sep 2025
Generation
GeForce 700
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
863 MHz
1665 MHz
Boost Clock
902 MHz
2032 MHz
Memory Clock
1502 MHz
2000 MHz
Memory
Memory Size
3GB
144GB
Memory Type
GDDR5
HBM3e
Memory Bus
384bit
4096bit
Bandwidth
288.4GB/s
4.10TB/s
Render Config
Shading Units
2304
18944
TMUs
192
592
ROPs
48
24
L1 Cache
16 KB (per SMX)
256 KB (per SM)
L2 Cache
1536 KB
50 MB
SM Count
-
148
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
43.30 GPixel/s
48.77 GPixel/s
Texture Rate
173.2 GTexel/s
1202.9 GTexel/s
FP32 (float)
4.156 TFLOPS
76.99 TFLOPS
FP64 (double)
173.2 GFLOPS
1202.9 GFLOPS
FP16 (half)
-
1231.8 TFLOPS
Graphics Processor
GPU Name
GK110
GB110
GPU Variant
GK110-300-A1
-
Architecture
Kepler
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
7.08 billion
104 billion
Die Size
561 mm²
Unknown
Board Design
TDP
250W
1400W
Suggested PSU
600 W
1800 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
-
Graphics Features
DirectX
12 (11_0)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.2.175
N/A
CUDA
3.5
10.3
Shader Model
6.5 (5.1)
N/A