AMD Radeon HD 6870 X2 vs NVIDIA B200 SXM 192 GB

VS

AMD Radeon HD 6870 X2

NVIDIA B200 SXM 192 GB

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 192GB VRAM B200 SXM 192 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Lower TDP (300W vs 1000W)

NVIDIA B200 SXM 192 GB 's Advantages

Released 12 years and 6 months late

Boost Clock1837MHz

More VRAM (192GB vs 1024GB)

Larger VRAM bandwidth (4100GB/s vs 134.4GB/s)

15776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

B200 SXM 192 GB +2979%

62.08 TFLOPS

Radeon HD 6870 X2

VS

B200 SXM 192 GB

Graphics Card

Jul 2011

Release Date

Jan 2024

Northern Islands

Generation

Tesla Blackwell

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

1665 MHz

-

Boost Clock

1837 MHz

1050 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

192GB

GDDR5

Memory Type

HBM3e

256bit

Memory Bus

4096bit

134.4GB/s

Bandwidth

4100GB/s

Render Config

14

Compute Units

-

SM Count

132

1120

Shading Units

16896

56

TMUs

528

32

ROPs

24

-

Tensor Cores

528

-

8 KB (per CU)

L1 Cache

256 KB (per SM)

512 KB

L2 Cache

50 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

44.09 GPixel/s

50.40 GTexel/s

Texture Rate

969.9 GTexel/s

-

FP16 (half)

248.3 TFLOPS

2.016 TFLOPS

FP32 (float)

62.08 TFLOPS

-

FP64 (double)

31.04 TFLOPS

Board Design

300W

TDP

1000W

700 W

Suggested PSU

1400 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

No outputs

-

Graphics Processor

Barts

GPU Name

GB100

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Blackwell

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.7 billion

Transistors

208 billion

255 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

N/A

4.4

OpenGL

N/A

1.2

OpenCL

3.0

N/A

Vulkan

N/A

-

CUDA

9.0

5.0

Shader Model

N/A

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