AMD Radeon RX 550X vs NVIDIA GeForce 8400 GS

VS

AMD Radeon RX 550X

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X 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 550X 's Advantages

Released 11 years and 8 months late

Boost Clock1183MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 6.400GB/s)

496 additional rendering cores

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 550X +4075%

1.211 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

Radeon RX 550X

VS

GeForce 8400 GS

Graphics Card

Dec 2018

Release Date

Apr 2007

Polaris

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1500 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

6.400GB/s

Render Config

8

Compute Units

-

SM Count

2

512

Shading Units

16

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

1.836 GPixel/s

37.86 GTexel/s

Texture Rate

3.672 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

29.38 GFLOPS

75.71 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

40W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

G86

Lexa PRO (215-0904018)

GPU Variant

G86-213-A2

GCN 4.0

Architecture

Tesla

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

80 nm

2.2 billion

Transistors

0.21 billion

103 mm²

Die Size

127 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.4

Shader Model

4.0

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