GPU Comparison
GEFORCE
NVIDIA B300 SXM6 AC
CORE STATE
GB110
VRAM
288 GB
CLOCK SPEED
2032 MHz
TDP
1100 W
BUS WIDTH
8192 bit
ARCHITECTURE
Blackwell Ultra
PROCESS
5 nm
LAUNCH DATE
2025
VS
GEFORCE
T400
CORE STATE
TU117
VRAM
2 GB
CLOCK SPEED
1425 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
B300 SXM6 AC
T400
Core Specs
Shading Units
18,944
384
-98.0%
Shaders
18,944
384
-98.0%
TMUs
592
24
-95.9%
ROPs
24
16
-33.3%
SM Count
148
6
-95.9%
Clocks
Base Clock
1665 MHz
420 MHz
Boost Clock
2032 MHz
1425 MHz
Memory Clock
2000 MHz 8 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
288 GB
2 GB
VRAM (MB)
294,912
2,048
-99.3%
Memory Type
HBM3e
GDDR6
Memory Bus
8192 bit
64 bit
Bandwidth
8.19 TB/s
80.00 GB/s
Cache
L1 Cache
256 KB (per SM)
64 KB (per SM)
L2 Cache
126 MB
1024 KB
Performance
Pixel Rate
48.77 GPixel/s
22.80 GPixel/s
Texture Rate
1,202.9 GTexel/s
34.20 GTexel/s
FP32 (TFLOPS)
76.99 TFLOPS
1,094.4 GFLOPS
FP64 (TFLOPS)
1,202.9 GFLOPS (1:64)
34.20 GFLOPS (1:32)
FP16 (TFLOPS)
76.99 TFLOPS (1:1)
2.189 TFLOPS (2:1)
AI/RT
Tensor Cores
592
—
Power
TDP
1100 W
30 W
TDP (W)
1,100
30
-97.3%
Suggested PSU
1500 W
200 W
Power Connectors
—
None
Architecture
Architecture
Blackwell Ultra
Turing
GPU Name
GB110
TU117
Generation
Server Blackwell (Bxx)
Quadro Turing
(Tx000)
Process Size
5 nm
12 nm
Transistors
208,000 million
4,700 million
Die Size
1628 mm²
200 mm²
Foundry
TSMC
TSMC
Density
127.8M / mm²
23.5M / mm²
API Support
DirectX
—
12 (12_1)
OpenGL
—
4.6
Vulkan
—
1.4
OpenCL
3.0
3.0
CUDA
10.3
7.5
Shader Model
—
6.8
Physical
Slot Width
SXM Module
Single-slot
Outputs
No outputs
3x mini-DisplayPort 1.4a
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Other
Production
Active
End-of-life
Predecessor
Server Hopper
Quadro Volta
Successor
Server Rubin
Workstation Ampere