AMD Radeon R9 M385X vs NVIDIA GeForce 8400M G

VS

AMD Radeon R9 M385X

NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 256MB VRAM GeForce 8400M G 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

More VRAM (4GB vs 256GB)

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

888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X +15061%

1.971 TFLOPS

GeForce 8400M G

0.013 TFLOPS

Radeon R9 M385X

VS

GeForce 8400M G

Graphics Card

May 2015

Release Date

May 2007

Gem System

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

6.400GB/s

Render Config

14

Compute Units

-

SM Count

1

896

Shading Units

8

56

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

1.600 GPixel/s

61.60 GTexel/s

Texture Rate

3.200 GTexel/s

-

1.971 TFLOPS

FP32 (float)

12.80 GFLOPS

123.2 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

10W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

G86

Strato XT

GPU Variant

NB8M-SE

GCN 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.08 billion

Transistors

0.21 billion

160 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

1.2.170

Vulkan

N/A

-

CUDA

1.1

6.5

Shader Model

4.0

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