NVIDIA GeForce G105M vs AMD Radeon HD 7870M

VS

NVIDIA GeForce G105M AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 256MB VRAM GeForce G105M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce G105M 's Advantages

Lower TDP (14W vs 45W)

AMD Radeon HD 7870M 's Advantages

Released 2 years and 9 months late

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

624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce G105M

0.034 TFLOPS

Radeon HD 7870M +2911%

1.024 TFLOPS

GeForce G105M

VS

Radeon HD 7870M

Graphics Card

Jul 2009

Release Date

Apr 2012

GeForce 100M

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

700 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

11.20GB/s

Bandwidth

64.00GB/s

Render Config

2

SM Count

-

Compute Units

10

16

Shading Units

640

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

Theoretical Performance

2.000 GPixel/s

Pixel Rate

12.80 GPixel/s

4.000 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

34.24 GFLOPS

FP32 (float)

1024 GFLOPS

-

FP64 (double)

64.00 GFLOPS

Graphics Processor

GT218

GPU Name

Heathrow

GT218-300-A2

GPU Variant

Heathrow XT (216-0835033)

Tesla 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.26 billion

Transistors

1.5 billion

57 mm²

Die Size

123 mm²

Board Design

14W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

CUDA

-

4.1

Shader Model

5.1

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