AMD Radeon HD 8870M vs NVIDIA GeForce 305M

VS

AMD Radeon HD 8870M

NVIDIA GeForce 305M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 512MB VRAM GeForce 305M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

Released 3 years and 3 months late

Boost Clock775MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 11.20GB/s)

624 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M +2581%

0.992 TFLOPS

GeForce 305M

0.037 TFLOPS

Radeon HD 8870M

VS

GeForce 305M

Graphics Card

Apr 2013

Release Date

Jan 2010

Solar System

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

725 MHz

Base Clock

-

775 MHz

Boost Clock

-

1125 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

72.00GB/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

12.40 GPixel/s

Pixel Rate

2.100 GPixel/s

31.00 GTexel/s

Texture Rate

4.200 GTexel/s

-

992.0 GFLOPS

FP32 (float)

36.80 GFLOPS

62.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

14W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

GT218

Venus XT (216-0846000)

GPU Variant

N11M-LP1

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

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.2

6.5 (5.1)

Shader Model

4.1

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