Radeon R9 255 OEM and B200 SXM 192 GB - video card comparison

Radeon R9 255 OEM

B200 SXM 192 GB

Architecture

GCN 1.0 (2012−2020)

Blackwell

GPU code name

Cape Verde

GB100

Market segment

Desktop

Release date

December 2013

2024 (recently)

Interface

PCIe 3.0 x16

PCIe 5.0 x16

Supplementary power connectors

1x 6-pin

Boost clock speed

930 MHz

1837 MHz

Core clock speed

900 MHz

Floating-point performance

952.3 gflops

Manufacturing process technology

28 nm

5 nm

Number of transistors

1,500 million

208,000 million

Pipelines / CUDA cores

512

16896

Power consumption (TDP)

65 Watt

1000 Watt

Texture fill rate

29.76

969.9

Memory type

GDDR5

HBM3e

Maximum RAM amount

2 GB

96 GB

Memory bus width

128 Bit

4096 Bit

Memory clock speed

4600 MHz

8 GB/s

Memory bandwidth

73.6 GB/s

4.1 TB/s

Display Connectors

No outputs

DirectX

12 (11_1)

N/A

CUDA

9.0

OpenCL

1.2

3.0

OpenGL

4.6

N/A

Shader Model

5.1

N/A

Vulkan

1.2.131

N/A