AMD Radeon HD 7630M vs NVIDIA GeForce 405M

VS

AMD Radeon HD 7630M

NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7630M 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 7630M 's Advantages

Released 1 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (25.60GB/s vs 12.80GB/s)

464 additional rendering cores

NVIDIA GeForce 405M 's Advantages

Lower TDP (14W vs 20W)

Score

Benchmark

FP32 (float)

Radeon HD 7630M +1007%

0.432 TFLOPS

GeForce 405M

0.039 TFLOPS

Radeon HD 7630M

VS

GeForce 405M

Graphics Card

Jan 2012

Release Date

Jan 2011

London

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

12.80GB/s

Render Config

6

Compute Units

-

SM Count

2

480

Shading Units

16

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

2.424 GPixel/s

10.80 GTexel/s

Texture Rate

4.848 GTexel/s

-

432.0 GFLOPS

FP32 (float)

38.78 GFLOPS

-

Board Design

20W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Thames

GPU Name

GT218

Thames LP

GPU Variant

-

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.26 billion

104 mm²

Die Size

57 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

5.0

Shader Model

4.1

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