NVIDIA GeForce 705M vs ATI Mobility Radeon HD 4850 X2

VS

NVIDIA GeForce 705M

ATI Mobility Radeon HD 4850 X2

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M and 1024MB VRAM Mobility Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 14.40GB/s)

752 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

Mobility Radeon HD 4850 X2 +463%

0.8 TFLOPS

GeForce 705M

VS

Mobility Radeon HD 4850 X2

Graphics Card

Unknown

Release Date

Jan 2009

GeForce 700M

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

89.60GB/s

Render Config

-

Compute Units

10

1

SM Count

-

48

Shading Units

800

8

TMUs

40

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

1.476 GPixel/s

Pixel Rate

8.000 GPixel/s

5.904 GTexel/s

Texture Rate

20.00 GTexel/s

-

141.7 GFLOPS

FP32 (float)

800.0 GFLOPS

11.81 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF119

GPU Name

M98

GF119 B1

GPU Variant

M98 L2 (216-0732019)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.292 billion

Transistors

0.956 billion

79 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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