AMD Radeon HD 6490M vs NVIDIA GeForce GT 320M

VS

AMD Radeon HD 6490M

NVIDIA GeForce GT 320M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 1024MB VRAM GeForce GT 320M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490M 's Advantages

Released 10 months late

Larger VRAM bandwidth (25.60GB/s vs 25.28GB/s)

136 additional rendering cores

NVIDIA GeForce GT 320M 's Advantages

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Radeon HD 6490M +383%

0.256 TFLOPS

GeForce GT 320M

0.053 TFLOPS

Radeon HD 6490M

VS

GeForce GT 320M

Graphics Card

Jan 2011

Release Date

Mar 2010

Vancouver

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

790 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

25.28GB/s

Render Config

2

Compute Units

-

SM Count

3

160

Shading Units

24

8

TMUs

8

4

ROPs

8

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

4.000 GPixel/s

6.400 GTexel/s

Texture Rate

4.000 GTexel/s

-

256.0 GFLOPS

FP32 (float)

52.80 GFLOPS

-

Board Design

Unknown

TDP

23W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

GT216

Seymour XTX S3 (216-0809024)

GPU Variant

-

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.486 billion

67 mm²

Die Size

100 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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