AMD Radeon HD 7970M vs NVIDIA GeForce 405M

VS

AMD Radeon HD 7970M

NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M 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 7970M 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 12.80GB/s)

1264 additional rendering cores

NVIDIA GeForce 405M 's Advantages

Lower TDP (14W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +5479%

2.176 TFLOPS

GeForce 405M

0.039 TFLOPS

Radeon HD 7970M

VS

GeForce 405M

Graphics Card

Apr 2012

Release Date

Jan 2011

London

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

12.80GB/s

Render Config

20

Compute Units

-

SM Count

2

1280

Shading Units

16

80

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

2.424 GPixel/s

68.00 GTexel/s

Texture Rate

4.848 GTexel/s

-

2.176 TFLOPS

FP32 (float)

38.78 GFLOPS

136.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Wimbledon

GPU Name

GT218

Wimbledon XT (216-0836036)

GPU Variant

-

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.26 billion

212 mm²

Die Size

57 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

5.1

Shader Model

4.1

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