AMD Radeon 550X Mobile vs NVIDIA GeForce 8400M GT

VS

AMD Radeon 550X Mobile

NVIDIA GeForce 8400M GT

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 512MB VRAM GeForce 8400M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 10 years and 11 months late

Boost Clock1287MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (48.00GB/s vs 19.20GB/s)

624 additional rendering cores

NVIDIA GeForce 8400M GT 's Advantages

Lower TDP (14W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +5579%

1.647 TFLOPS

GeForce 8400M GT

0.029 TFLOPS

Radeon 550X Mobile

VS

GeForce 8400M GT

Graphics Card

Apr 2018

Release Date

May 2007

Mobility Radeon

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

600 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

19.20GB/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

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

1.800 GPixel/s

51.48 GTexel/s

Texture Rate

3.600 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

28.80 GFLOPS

103.0 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

G86

Polaris 23 MXT

GPU Variant

G86-603-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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