AMD Radeon HD 6490M vs NVIDIA GeForce 305M

VS

AMD Radeon HD 6490M

NVIDIA GeForce 305M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M 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 6490M 's Advantages

Released 1 years late

Larger VRAM bandwidth (25.60GB/s vs 11.20GB/s)

144 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M +591%

0.256 TFLOPS

GeForce 305M

0.037 TFLOPS

Radeon HD 6490M

VS

GeForce 305M

Graphics Card

Jan 2011

Release Date

Jan 2010

Vancouver

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

700 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

64bit

25.60GB/s

Bandwidth

11.20GB/s

Render Config

2

Compute Units

-

SM Count

2

160

Shading Units

16

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

32 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

2.100 GPixel/s

6.400 GTexel/s

Texture Rate

4.200 GTexel/s

-

256.0 GFLOPS

FP32 (float)

36.80 GFLOPS

-

Board Design

Unknown

TDP

14W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

GT218

Seymour XTX S3 (216-0809024)

GPU Variant

N11M-LP1

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.26 billion

67 mm²

Die Size

57 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

5.0

Shader Model

4.1

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