NVIDIA GeForce 8400M GS vs AMD Radeon HD 8670M

VS

NVIDIA GeForce 8400M GS

AMD Radeon HD 8670M

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages

Released 5 years and 10 months late

Boost Clock975MHz

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (14.40GB/s vs 6.400GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Radeon HD 8670M +2300%

0.624 TFLOPS

GeForce 8400M GS

VS

Radeon HD 8670M

Graphics Card

May 2007

Release Date

Mar 2013

GeForce 8M

Generation

Solar System

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

5

2

SM Count

-

16

Shading Units

320

8

TMUs

20

4

ROPs

8

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

128 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

7.800 GPixel/s

3.200 GTexel/s

Texture Rate

19.50 GTexel/s

-

25.60 GFLOPS

FP32 (float)

624.0 GFLOPS

-

FP64 (double)

39.00 GFLOPS

Board Design

11W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

G86

GPU Name

Sun

NB8M-GS

GPU Variant

Sun S3 XT (216-0841009)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

0.69 billion

127 mm²

Die Size

56 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

1.1

CUDA

-

4.0

Shader Model

6.5 (5.1)

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