AMD Radeon RX 6650 XT vs AMD Radeon HD 7950 Boost

VS

AMD Radeon RX 6650 XT AMD Radeon HD 7950 Boost

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 3GB VRAM Radeon HD 7950 Boost 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 9 years and 11 months late

Boost Clock has increased by 185% (2635MHz vs 925MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (280.3GB/s vs 240.0GB/s)

256 additional rendering cores

Lower TDP (176W vs 200W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +225%

10.79 TFLOPS

Radeon HD 7950 Boost

3.315 TFLOPS

Radeon RX 6650 XT

VS

Radeon HD 7950 Boost

Graphics Card

May 2022

Release Date

Jun 2012

Navi II

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

2055 MHz

Base Clock

850 MHz

2635 MHz

Boost Clock

925 MHz

2190 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

384bit

280.3GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

32

Compute Units

28

2048

Shading Units

1792

128

TMUs

112

64

ROPs

32

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

Theoretical Performance

168.6 GPixel/s

Pixel Rate

29.60 GPixel/s

337.3 GTexel/s

Texture Rate

103.6 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

3.315 TFLOPS

674.6 GFLOPS

FP64 (double)

828.8 GFLOPS

Graphics Processor

Navi 23

GPU Name

Tahiti

Navi 23 KXT (215-130000136)

GPU Variant

Tahiti PRO2 (215-0821282)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

4.313 billion

237 mm²

Die Size

352 mm²

Board Design

176W

TDP

200W

450 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

5.1

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