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
Tesla M40
CORE STATE
GM200
VRAM
12 GB
CLOCK SPEED
1112 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GB10
Tesla M40
Core Specs
Shading Units
6,144
3,072
-50.0%
Shaders
6,144
3,072
-50.0%
TMUs
384
192
-50.0%
ROPs
48
96
+100.0%
SM Count
48
—
Clocks
Base Clock
1665 MHz
948 MHz
Boost Clock
2418 MHz
1112 MHz
Memory Clock
1067 MHz
8.5 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
128 GB
12 GB
VRAM (MB)
131,072
12,288
-90.6%
Memory Type
LPDDR5X
GDDR5
Memory Bus
256 bit
384 bit
Bandwidth
273.2 GB/s
288.4 GB/s
Cache
L1 Cache
256 KB (per SM)
48 KB (per SMM)
L2 Cache
50 MB
3 MB
Performance
Pixel Rate
116.1 GPixel/s
106.8 GPixel/s
Texture Rate
928.5 GTexel/s
213.5 GTexel/s
FP32 (TFLOPS)
29.71 TFLOPS
6.832 TFLOPS
FP64 (TFLOPS)
464.3 GFLOPS (1:64)
213.5 GFLOPS (1:32)
FP16 (TFLOPS)
29.71 TFLOPS (1:1)
—
AI/RT
RT Cores
48
—
Tensor Cores
384
—
Power
TDP
140 W
250 W
TDP (W)
140
250
+78.6%
Suggested PSU
300 W
600 W
Power Connectors
None
8-pin EPS
Architecture
Architecture
Blackwell 2.0
Maxwell 2.0
GPU Name
GB20B
GM200
Generation
Server Blackwell
(Bxx)
Tesla Maxwell
(Mxx)
Process Size
5 nm
28 nm
Transistors
—
8,000 million
Die Size
—
601 mm²
Foundry
TSMC
TSMC
Density
—
13.3M / mm²
API Support
DirectX
—
12 (12_1)
OpenGL
—
4.6
Vulkan
—
1.4
OpenCL
3.0
3.0
CUDA
12.1
5.2
Shader Model
—
6.8
Physical
Slot Width
IGP
Dual-slot
Length
150 mm
5.9 inches
267 mm
10.5 inches
Height
51 mm
2 inches
—
Outputs
1x HDMI
No outputs
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Other
Launch Price
3,999 USD
—
Production
Active
End-of-life
Predecessor
Server Hopper
Tesla Kepler
Successor
Server Rubin
Tesla Pascal