AMD Radeon HD 8690M vs NVIDIA GeForce 8400M GS

VS

AMD Radeon HD 8690M

NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M 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 8690M 's Advantages

Released 5 years and 10 months late

Boost Clock975MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (32.00GB/s vs 6.400GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M +2300%

0.624 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

Radeon HD 8690M

VS

GeForce 8400M GS

Graphics Card

Mar 2013

Release Date

May 2007

Solar System

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-I

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1000 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

64bit

Memory Bus

64bit

32.00GB/s

Bandwidth

6.400GB/s

Render Config

5

Compute Units

-

SM Count

2

320

Shading Units

16

20

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

16 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

1.600 GPixel/s

19.50 GTexel/s

Texture Rate

3.200 GTexel/s

-

624.0 GFLOPS

FP32 (float)

25.60 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

11W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

G86

Sun S3 XT (216-0841009)

GPU Variant

NB8M-GS

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

0.69 billion

Transistors

0.21 billion

56 mm²

Die Size

127 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.1

6.5 (5.1)

Shader Model

4.0

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