AMD Radeon RX 550X 640SP vs NVIDIA GeForce 8400 GS Rev. 2

VS

AMD Radeon RX 550X 640SP

NVIDIA GeForce 8400 GS Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP and 512MB VRAM GeForce 8400 GS Rev. 2 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 10 years and 4 months late

Boost Clock1071MHz

More VRAM (2GB vs 512GB)

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

632 additional rendering cores

NVIDIA GeForce 8400 GS Rev. 2 's Advantages

Lower TDP (25W vs 60W)

Score

Benchmark

FP32 (float)

Radeon RX 550X 640SP +6131%

1.371 TFLOPS

GeForce 8400 GS Rev. 2

0.022 TFLOPS

Radeon RX 550X 640SP

VS

GeForce 8400 GS Rev. 2

Graphics Card

Apr 2018

Release Date

Dec 2007

Polaris

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

6.400GB/s

Render Config

10

Compute Units

-

SM Count

1

640

Shading Units

8

40

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

16 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

2.268 GPixel/s

42.84 GTexel/s

Texture Rate

2.268 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

22.40 GFLOPS

85.68 GFLOPS

FP64 (double)

-

Board Design

60W

TDP

25W

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

G98

Baffin LE

GPU Variant

-

GCN 4.0

Architecture

Tesla

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

65 nm

3 billion

Transistors

0.21 billion

123 mm²

Die Size

86 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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