AMD Radeon HD 6870 X2 vs NVIDIA RTX PRO 6000 Blackwell

GPU · Specs Compare

GPU AMD Radeon HD 6870 X2 AMD · 2011-07

GPU NVIDIA RTX PRO 6000 Blackwell NVIDIA · 2025-03

Graphics Card

Release Date

Jul 2011

Mar 2025

Generation

Northern Islands

Blackwell PRO W

Type

Desktop

Bus Interface

PCIe 2.0 x16

PCIe 5.0 x16

Clock Speeds

Memory Clock

1050 MHz

1750 MHz

Base Clock

—

1590 MHz

Boost Clock

—

2617 MHz

Memory

Memory Size

1024MB

96GB

Memory Type

GDDR5

GDDR7

Memory Bus

256bit

512bit

Bandwidth

134.4GB/s

1.79TB/s

Render Config

Compute Units

—

Shading Units

1120

24064

TMUs

752

ROPs

192

L1 Cache

8 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

128 MB

SM Count

—

188

Tensor Cores

—

752

RT Cores

—

188

Theoretical Performance

Pixel Rate

28.80 GPixel/s

502.5 GPixel/s

Texture Rate

50.40 GTexel/s

1968.0 GTexel/s

FP32 (float)

2.016 TFLOPS

126.0 TFLOPS

FP16 (half)

—

126.0 TFLOPS

FP64 (double)

—

1.968 TFLOPS

Graphics Processor

GPU Name

Barts

GB202

GPU Variant

Barts XT(215-0798000)

—

Architecture

TeraScale 2

Blackwell 2.0

Foundry

TSMC

Process Size

40 nm

5 nm

Transistors

1.7 billion

92.2 billion

Die Size

255 mm²

750 mm²

Board Design

TDP

300W

600W

Suggested PSU

700 W

1000 W

Outputs

2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1

4x DisplayPort 2.1b

Power Connectors

—

1x 16-pin

Graphics Features

DirectX

11.2 (11_0)

12 Ultimate (12_2)

OpenGL

4.4

4.6

OpenCL

1.2

3.0

Vulkan

N/A

1.4

Shader Model

5.0

6.9

CUDA

—

12.0

Benchmark

3DMark Time Spy

—

42,269

3DMark Time Spy Extreme

—

27,891

3DMark Speed Way

—

15,642

▲ Specs Compare Data sourced from official specifications and benchmark tests.