NVIDIA B300 SXM6 AC vs NVIDIA GeForce GTX 780 Ti Engineering Sample
GPU Specs Compare
Graphics Card
Release Date
Sep 2025
Unknown
Generation
Server Blackwell
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1665 MHz
875 MHz
Boost Clock
2032 MHz
928 MHz
Memory Clock
2000 MHz
1753 MHz
Memory
Memory Size
288GB
3GB
Memory Type
HBM3e
GDDR5
Memory Bus
8192bit
384bit
Bandwidth
8.19TB/s
336.6GB/s
Render Config
SM Count
148
-
Shading Units
18944
2880
TMUs
592
240
ROPs
24
48
Tensor Cores
592
-
L1 Cache
256 KB (per SM)
16 KB (per SMX)
L2 Cache
126 MB
1536 KB
Theoretical Performance
Pixel Rate
48.77 GPixel/s
55.68 GPixel/s
Texture Rate
1202.9 GTexel/s
222.7 GTexel/s
FP16 (half)
76.99 TFLOPS
-
FP32 (float)
76.99 TFLOPS
5.345 TFLOPS
FP64 (double)
1202.9 GFLOPS
222.7 GFLOPS
Graphics Processor
GPU Name
GB110
GK180
Architecture
Blackwell Ultra
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
208 billion
7.08 billion
Die Size
1628 mm²
561 mm²
GPU Variant
-
GK180-425-A1
Board Design
TDP
1100W
250W
Suggested PSU
1500 W
600 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
-
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
N/A
12 (11_0)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.2.175
CUDA
10.3
3.5
Shader Model
N/A
5.1