AMD Radeon HD 7850M vs NVIDIA GeForce G105M

VS

AMD Radeon HD 7850M

NVIDIA GeForce G105M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 256MB VRAM GeForce G105M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

Released 2 years and 9 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 11.20GB/s)

624 additional rendering cores

NVIDIA GeForce G105M 's Advantages

Lower TDP (14W vs 40W)

Score

Benchmark

FP32 (float)

Radeon HD 7850M +2441%

0.864 TFLOPS

GeForce G105M

0.034 TFLOPS

Radeon HD 7850M

VS

GeForce G105M

Graphics Card

Apr 2012

Release Date

Jul 2009

London

Generation

GeForce 100M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

11.20GB/s

Render Config

10

Compute Units

-

SM Count

2

640

Shading Units

16

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

2.000 GPixel/s

27.00 GTexel/s

Texture Rate

4.000 GTexel/s

-

864.0 GFLOPS

FP32 (float)

34.24 GFLOPS

54.00 GFLOPS

FP64 (double)

-

Board Design

40W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Heathrow

GPU Name

GT218

Heathrow PRO

GPU Variant

GT218-300-A2

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.26 billion

123 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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