AMD Radeon Pro 555 vs NVIDIA GeForce 8400M GT

VS

AMD Radeon Pro 555 NVIDIA GeForce 8400M GT

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 555 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 Pro 555 's Advantages

Released 10 years and 1 months late

Larger VRAM bandwidth (81.60GB/s vs 19.20GB/s)

752 additional rendering cores

NVIDIA GeForce 8400M GT 's Advantages

Lower TDP (14W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555 +4403%

1.306 TFLOPS

GeForce 8400M GT

0.029 TFLOPS

Radeon Pro 555

VS

GeForce 8400M GT

Graphics Card

Jun 2017

Release Date

May 2007

Radeon Pro Mac

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1275 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

81.60GB/s

Bandwidth

19.20GB/s

Render Config

-

SM Count

2

12

Compute Units

-

768

Shading Units

16

48

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

32 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

1.800 GPixel/s

40.80 GTexel/s

Texture Rate

3.600 GTexel/s

1306 GFLOPS

FP16 (half)

-

1306 GFLOPS

FP32 (float)

28.80 GFLOPS

81.60 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 21

GPU Name

G86

Polaris 21 PRO

GPU Variant

G86-603-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

Board Design

75W

TDP

14W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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