AMD Radeon HD 6970 vs AMD Radeon RX 6650 XT

VS

AMD Radeon HD 6970

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 8GB VRAM Radeon RX 6650 XT 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 11 years and 5 months late

Boost Clock2635MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (280.3GB/s vs 176.0GB/s)

512 additional rendering cores

Lower TDP (176W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970

2.703 TFLOPS

Radeon RX 6650 XT +299%

10.79 TFLOPS

Radeon HD 6970

VS

Radeon RX 6650 XT

Graphics Card

Dec 2010

Release Date

May 2022

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2055 MHz

-

Boost Clock

2635 MHz

1375 MHz

Memory Clock

2190 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

280.3GB/s

Render Config

24

Compute Units

32

-

1536

Shading Units

2048

96

TMUs

128

32

ROPs

64

-

RT Cores

32

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

28.16 GPixel/s

Pixel Rate

168.6 GPixel/s

84.48 GTexel/s

Texture Rate

337.3 GTexel/s

-

FP16 (half)

21.59 TFLOPS

2.703 TFLOPS

FP32 (float)

10.79 TFLOPS

675.8 GFLOPS

FP64 (double)

674.6 GFLOPS

Board Design

250W

TDP

176W

600 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Cayman

GPU Name

Navi 23

Cayman XT (215-0807007)

GPU Variant

Navi 23 KXT (215-130000136)

TeraScale 3

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.64 billion

Transistors

11.06 billion

389 mm²

Die Size

237 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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