AMD Radeon RX 6600 vs NVIDIA GeForce 8400 SE

VS

AMD Radeon RX 6600

NVIDIA GeForce 8400 SE

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 128MB VRAM GeForce 8400 SE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Released 13 years and 2 months late

Boost Clock2491MHz

More VRAM (8GB vs 128GB)

Larger VRAM bandwidth (224.0GB/s vs 6.400GB/s)

1776 additional rendering cores

NVIDIA GeForce 8400 SE 's Advantages

Lower TDP (50W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +30686%

8.928 TFLOPS

GeForce 8400 SE

0.029 TFLOPS

Radeon RX 6600

VS

GeForce 8400 SE

Graphics Card

Oct 2021

Release Date

Aug 2008

Navi II

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1626 MHz

Base Clock

-

2491 MHz

Boost Clock

-

1750 MHz

Memory Clock

400 MHz

Memory

8GB

Memory Size

128MB

GDDR6

Memory Type

DDR2

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

6.400GB/s

Render Config

28

Compute Units

-

SM Count

2

1792

Shading Units

16

112

TMUs

8

64

ROPs

4

-

28

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

16 KB

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

1.836 GPixel/s

279.0 GTexel/s

Texture Rate

3.672 GTexel/s

17.86 TFLOPS

FP16 (half)

-

8.928 TFLOPS

FP32 (float)

29.38 GFLOPS

558.0 GFLOPS

FP64 (double)

-

Board Design

132W

TDP

50W

300 W

Suggested PSU

250 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

G86S

Navi 23 XL (215-130000016)

GPU Variant

-

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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