GeForce GT 640 OEM Rebrand and B200 SXM 192 GB - video card comparison

GeForce GT 640 OEM Rebrand

B200 SXM 192 GB

Architecture

Fermi 2.0 (2010−2014)

Blackwell

GPU code name

GF116

GB100

Market segment

Desktop

Release date

April 2012

2024 (recently)

Interface

PCIe 2.0 x16

PCIe 5.0 x16

Supplementary power connectors

None

Boost clock speed

1837 MHz

Core clock speed

720 MHz

Floating-point performance

414.7 gflops

Manufacturing process technology

40 nm

5 nm

Number of transistors

1,170 million

208,000 million

Pipelines / CUDA cores

144

16896

Power consumption (TDP)

75 Watt

1000 Watt

Texture fill rate

17.28

969.9

Memory type

DDR3

HBM3e

Maximum RAM amount

1536 MB

96 GB

Memory bus width

192 Bit

4096 Bit

Memory clock speed

1600 MHz

8 GB/s

Memory bandwidth

38.4 GB/s

4.1 TB/s

Display Connectors

2x DVI, 1x mini-HDMI

No outputs

HDMI

DirectX

12 (11_0)

N/A

CUDA

2.1

9.0

OpenCL

1.1

3.0

OpenGL

4.6

N/A

Shader Model

5.1

N/A

Vulkan

N/A