NVIDIA GeForce 8400M G vs AMD Radeon R9 M290X

VS

NVIDIA GeForce 8400M G AMD Radeon R9 M290X

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M G and 4GB VRAM Radeon R9 M290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 100W)

AMD Radeon R9 M290X 's Advantages

Released 6 years and 8 months late

Boost Clock900MHz

Larger VRAM bandwidth (153.6GB/s vs 6.400GB/s)

1272 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M G

0.013 TFLOPS

Radeon R9 M290X +17623%

2.304 TFLOPS

GeForce 8400M G

VS

Radeon R9 M290X

Graphics Card

May 2007

Release Date

Jan 2014

GeForce 8M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

400 MHz

Memory Clock

1200 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

153.6GB/s

Render Config

1

SM Count

-

Compute Units

20

8

Shading Units

1280

8

TMUs

80

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

512 KB

Theoretical Performance

1.600 GPixel/s

Pixel Rate

28.80 GPixel/s

3.200 GTexel/s

Texture Rate

72.00 GTexel/s

-

FP16 (half)

-

12.80 GFLOPS

FP32 (float)

2.304 TFLOPS

-

FP64 (double)

144.0 GFLOPS

Graphics Processor

G86

GPU Name

Neptune

NB8M-SE

GPU Variant

Neptune XT (216-0847000)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

2.8 billion

127 mm²

Die Size

212 mm²

Board Design

10W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

5.1

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