GPU Comparison
GEFORCE
NVIDIA GB10
CORE STATE
GB20B
VRAM
128 GB
CLOCK SPEED
2418 MHz
TDP
140 W
BUS WIDTH
256 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
VS
GEFORCE
GeForce GT 555M
CORE STATE
GF106
VRAM
1024 MB
CLOCK SPEED
—
TDP
35 W
BUS WIDTH
128 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GB10
GT 555M
Core Specs
Shading Units
6,144
144
-97.7%
Shaders
6,144
144
-97.7%
TMUs
384
24
-93.8%
ROPs
48
16
-66.7%
SM Count
48
3
-93.8%
Clocks
Base Clock
1665 MHz
—
Boost Clock
2418 MHz
—
GPU Clock
—
590 MHz
Shader Clock
—
1180 MHz
Memory Clock
1067 MHz
8.5 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
128 GB
1024 MB
VRAM (MB)
131,072
1,024
-99.2%
Memory Type
LPDDR5X
DDR3
Memory Bus
256 bit
128 bit
Bandwidth
273.2 GB/s
28.80 GB/s
Cache
L1 Cache
256 KB (per SM)
64 KB (per SM)
L2 Cache
50 MB
256 KB
Performance
Pixel Rate
116.1 GPixel/s
3.540 GPixel/s
Texture Rate
928.5 GTexel/s
14.16 GTexel/s
FP32 (TFLOPS)
29.71 TFLOPS
339.8 GFLOPS
FP64 (TFLOPS)
464.3 GFLOPS (1:64)
28.32 GFLOPS (1:12)
FP16 (TFLOPS)
29.71 TFLOPS (1:1)
—
AI/RT
RT Cores
48
—
Tensor Cores
384
—
Power
TDP
140 W
35 W
TDP (W)
140
35
-75.0%
Suggested PSU
300 W
—
Power Connectors
None
—
Architecture
Architecture
Blackwell 2.0
Fermi
GPU Name
GB20B
GF106
Generation
Server Blackwell
(Bxx)
GeForce 500M
Process Size
5 nm
40 nm
Transistors
—
1,170 million
Die Size
—
238 mm²
Foundry
TSMC
TSMC
Density
—
4.9M / mm²
API Support
DirectX
—
12 (11_0)
OpenGL
—
4.6
OpenCL
3.0
1.1
CUDA
12.1
2.1
Shader Model
—
5.1
Physical
Slot Width
IGP
—
Length
150 mm
5.9 inches
—
Height
51 mm
2 inches
—
Outputs
1x HDMI
Portable Device Dependent
Bus Interface
PCIe 5.0 x16
PCIe 2.0 x16
Other
Launch Price
3,999 USD
—
Production
Active
End-of-life
Predecessor
Server Hopper
GeForce 400M
Successor
Server Rubin
GeForce 600M