AMD Radeon HD 6450M vs NVIDIA GeForce 8400M GS

VS

AMD Radeon HD 6450M

NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450M 's Advantages

Released 3 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (12.80GB/s vs 6.400GB/s)

144 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450M +638%

0.192 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

Radeon HD 6450M

VS

GeForce 8400M GS

Graphics Card

Jan 2011

Release Date

May 2007

Vancouver

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-I

Clock Speeds

-

800 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

6.400GB/s

Render Config

2

Compute Units

-

SM Count

2

160

Shading Units

16

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

16 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

1.600 GPixel/s

4.800 GTexel/s

Texture Rate

3.200 GTexel/s

-

192.0 GFLOPS

FP32 (float)

25.60 GFLOPS

-

Board Design

Unknown

TDP

11W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

G86

Seymour PRO S3 (216-0809024)

GPU Variant

NB8M-GS

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.37 billion

Transistors

0.21 billion

67 mm²

Die Size

127 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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