AMD Radeon HD 7970M vs NVIDIA GeForce 705M

VS

AMD Radeon HD 7970M

NVIDIA GeForce 705M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 1024MB VRAM GeForce 705M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)

1232 additional rendering cores

NVIDIA GeForce 705M 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +1432%

2.176 TFLOPS

GeForce 705M

0.142 TFLOPS

Radeon HD 7970M

VS

GeForce 705M

Graphics Card

Apr 2012

Release Date

Unknown

London

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

14.40GB/s

Render Config

20

Compute Units

-

SM Count

1

1280

Shading Units

48

80

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

1.476 GPixel/s

68.00 GTexel/s

Texture Rate

5.904 GTexel/s

-

2.176 TFLOPS

FP32 (float)

141.7 GFLOPS

136.0 GFLOPS

FP64 (double)

11.81 GFLOPS

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Wimbledon

GPU Name

GF119

Wimbledon XT (216-0836036)

GPU Variant

GF119 B1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.292 billion

212 mm²

Die Size

79 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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