AMD Radeon HD 6490M vs NVIDIA GeForce GTX 580M

VS

AMD Radeon HD 6490M

NVIDIA GeForce GTX 580M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 2GB VRAM GeForce GTX 580M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 580M 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

GeForce GTX 580M +271%

0.952 TFLOPS

Radeon HD 6490M

VS

GeForce GTX 580M

Graphics Card

Jan 2011

Release Date

Jun 2011

Vancouver

Generation

GeForce 500M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

750 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

96.00GB/s

Render Config

2

Compute Units

-

SM Count

8

160

Shading Units

384

8

TMUs

64

4

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

9.920 GPixel/s

6.400 GTexel/s

Texture Rate

39.68 GTexel/s

-

256.0 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

79.36 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

GF114

Seymour XTX S3 (216-0809024)

GPU Variant

N12E-GTX2-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

1.95 billion

67 mm²

Die Size

332 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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