AMD Radeon HD 8670M vs NVIDIA GeForce 405M

VS

AMD Radeon HD 8670M

NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages

Released 2 years and 2 months late

Boost Clock975MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (14.40GB/s vs 12.80GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M +1500%

0.624 TFLOPS

GeForce 405M

0.039 TFLOPS

Radeon HD 8670M

VS

GeForce 405M

Graphics Card

Mar 2013

Release Date

Jan 2011

Solar System

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

12.80GB/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

32 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

2.424 GPixel/s

19.50 GTexel/s

Texture Rate

4.848 GTexel/s

-

624.0 GFLOPS

FP32 (float)

38.78 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

14W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GT218

Sun S3 XT (216-0841009)

GPU Variant

-

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

0.26 billion

56 mm²

Die Size

57 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.2

6.5 (5.1)

Shader Model

4.1

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