AMD Radeon RX 6650 XT vs NVIDIA GeForce 8400 GS

VS

AMD Radeon RX 6650 XT

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 256MB VRAM GeForce 8400 GS 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 15 years and 1 months late

Boost Clock2635MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (280.3GB/s vs 6.400GB/s)

2032 additional rendering cores

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 176W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +37106%

10.79 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

Radeon RX 6650 XT

VS

GeForce 8400 GS

Graphics Card

May 2022

Release Date

Apr 2007

Navi II

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

2055 MHz

Base Clock

-

2635 MHz

Boost Clock

-

2190 MHz

Memory Clock

400 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

128bit

Memory Bus

64bit

280.3GB/s

Bandwidth

6.400GB/s

Render Config

32

Compute Units

-

SM Count

2

2048

Shading Units

16

128

TMUs

8

64

ROPs

4

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

16 KB

32 MB

L3 Cache

-

Theoretical Performance

168.6 GPixel/s

Pixel Rate

1.836 GPixel/s

337.3 GTexel/s

Texture Rate

3.672 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

29.38 GFLOPS

674.6 GFLOPS

FP64 (double)

-

Board Design

176W

TDP

40W

450 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

G86

Navi 23 KXT (215-130000136)

GPU Variant

G86-213-A2

RDNA 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

7 nm

Process Size

80 nm

11.06 billion

Transistors

0.21 billion

237 mm²

Die Size

127 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.5

Shader Model

4.0

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