AMD Radeon RX 550X 640SP vs NVIDIA GeForce 8400 GS

VS

AMD Radeon RX 550X 640SP

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP 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 640SP 's Advantages

Released 11 years late

Boost Clock1071MHz

More VRAM (2GB vs 256GB)

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

624 additional rendering cores

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 60W)

Score

Benchmark

FP32 (float)

Radeon RX 550X 640SP +4627%

1.371 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

Radeon RX 550X 640SP

VS

GeForce 8400 GS

Graphics Card

Apr 2018

Release Date

Apr 2007

Polaris

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

6.400GB/s

Render Config

10

Compute Units

-

SM Count

2

640

Shading Units

16

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

16 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

1.836 GPixel/s

42.84 GTexel/s

Texture Rate

3.672 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

29.38 GFLOPS

85.68 GFLOPS

FP64 (double)

-

Board Design

60W

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

Baffin

GPU Name

G86

Baffin LE

GPU Variant

G86-213-A2

GCN 4.0

Architecture

Tesla

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

80 nm

3 billion

Transistors

0.21 billion

123 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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