B200 SXM 192 GB vs Radeon R9 255 OEM

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Blackwell (2024)
GPU code nameCape VerdeGB100
Market segmentDesktopWorkstation
Release date21 December 2013 (11 years ago)2024 (recently)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores51216896
Core clock speed900 MHz1665 MHz
Boost clock speed930 MHz1837 MHz
Number of transistors1,500 million208,000 million
Manufacturing process technology28 nm5 nm
Power consumption (TDP)65 Watt1000 Watt
Texture fill rate29.76969.9
Floating-point processing power0.9523 TFLOPS62.08 TFLOPS
ROPs1624
TMUs32528
Tensor Coresno data528

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 3.0 x16PCIe 5.0 x16
Width2-slotSXM Module
Supplementary power connectors1x 6-pinno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5HBM3e
Maximum RAM amount2 GB96 GB
Memory bus width128 Bit4096 Bit
Memory clock speed1150 MHz2000 MHz
Memory bandwidth73.6 GB/s4.1 TB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_1)N/A
Shader Model5.1N/A
OpenGL4.6N/A
OpenCL1.23.0
Vulkan1.2.131N/A
CUDA-9.0

Pros & cons summary


Maximum RAM amount 2 GB 96 GB
Chip lithography 28 nm 5 nm
Power consumption (TDP) 65 Watt 1000 Watt

R9 255 OEM has 1438.5% lower power consumption.

B200 SXM 192 GB, on the other hand, has a 4700% higher maximum VRAM amount, and a 460% more advanced lithography process.

We couldn't decide between Radeon R9 255 OEM and B200 SXM 192 GB. We've got no test results to judge.

Be aware that Radeon R9 255 OEM is a desktop card while B200 SXM 192 GB is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon R9 255 OEM
Radeon R9 255 OEM
NVIDIA B200 SXM 192 GB
B200 SXM 192 GB

Comparisons with similar GPUs

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Community ratings

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