NVIDIA B200 SXM 192 GB vs AMD Radeon HD 6450

VS

NVIDIA B200 SXM 192 GB

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 192GB VRAM B200 SXM 192 GB and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA B200 SXM 192 GB 's Advantages

Released 12 years and 9 months late

Boost Clock1837MHz

More VRAM (192GB vs 512GB)

Larger VRAM bandwidth (4100GB/s vs 25.60GB/s)

16736 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 1000W)

Score

Benchmark

FP32 (float)

B200 SXM 192 GB +30940%

62.08 TFLOPS

Radeon HD 6450

0.2 TFLOPS

B200 SXM 192 GB

VS

Radeon HD 6450

Graphics Card

Jan 2024

Release Date

Apr 2011

Tesla Blackwell

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1665 MHz

Base Clock

-

1837 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

192GB

Memory Size

512MB

HBM3e

Memory Type

GDDR5

4096bit

Memory Bus

64bit

4100GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

2

132

SM Count

-

16896

Shading Units

160

528

TMUs

8

24

ROPs

4

528

Tensor Cores

-

256 KB (per SM)

L1 Cache

8 KB (per CU)

50 MB

L2 Cache

128 KB

-

Theoretical Performance

44.09 GPixel/s

Pixel Rate

2.500 GPixel/s

969.9 GTexel/s

Texture Rate

5.000 GTexel/s

248.3 TFLOPS

FP16 (half)

-

62.08 TFLOPS

FP32 (float)

200.0 GFLOPS

31.04 TFLOPS

FP64 (double)

-

Board Design

1000W

TDP

18W

1400 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

-

Power Connectors

None

Graphics Processor

GB100

GPU Name

Caicos

-

GPU Variant

Caicos PRO

Blackwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

208 billion

Transistors

0.37 billion

Unknown

Die Size

67 mm²

Graphics Features

N/A

DirectX

11.2 (11_0)

N/A

OpenGL

4.4

3.0

OpenCL

1.2

N/A

Vulkan

N/A

9.0

CUDA

-

N/A

Shader Model

5.0

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