AMD Radeon RX 6650 XT vs AMD Radeon HD 6870 X2

VS

AMD Radeon RX 6650 XT AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Released 10 years and 10 months late

Boost Clock2635MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (280.3GB/s vs 134.4GB/s)

928 additional rendering cores

Lower TDP (176W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +435%

10.79 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

Radeon RX 6650 XT

VS

Radeon HD 6870 X2

Graphics Card

May 2022

Release Date

Jul 2011

Navi II

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2055 MHz

Base Clock

-

2635 MHz

Boost Clock

-

2190 MHz

Memory Clock

1050 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

280.3GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

32

Compute Units

14

2048

Shading Units

1120

128

TMUs

56

64

ROPs

32

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

168.6 GPixel/s

Pixel Rate

28.80 GPixel/s

337.3 GTexel/s

Texture Rate

50.40 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

2.016 TFLOPS

674.6 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 23

GPU Name

Barts

Navi 23 KXT (215-130000136)

GPU Variant

Barts XT (215-0798000)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

1.7 billion

237 mm²

Die Size

255 mm²

Board Design

176W

TDP

300W

450 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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