NVIDIA GeForce 8400M G vs AMD Radeon R9 M385X

VS

NVIDIA GeForce 8400M G AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M G and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 8 years late

Boost Clock1100MHz

Larger VRAM bandwidth (76.80GB/s vs 6.400GB/s)

888 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M G

0.013 TFLOPS

Radeon R9 M385X +15061%

1.971 TFLOPS

GeForce 8400M G

VS

Radeon R9 M385X

Graphics Card

May 2007

Release Date

May 2015

GeForce 8M

Generation

Gem System

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1100 MHz

400 MHz

Memory Clock

1200 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

76.80GB/s

Render Config

1

SM Count

-

Compute Units

14

8

Shading Units

896

8

TMUs

56

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

256 KB

Theoretical Performance

1.600 GPixel/s

Pixel Rate

17.60 GPixel/s

3.200 GTexel/s

Texture Rate

61.60 GTexel/s

-

FP16 (half)

-

12.80 GFLOPS

FP32 (float)

1.971 TFLOPS

-

FP64 (double)

123.2 GFLOPS

Graphics Processor

G86

GPU Name

Strato

NB8M-SE

GPU Variant

Strato XT

Tesla

Architecture

GCN 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

2.08 billion

127 mm²

Die Size

160 mm²

Board Design

10W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

1.1

CUDA

-

4.0

Shader Model

6.5

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