AMD Radeon HD 6490M vs NVIDIA GeForce GTX 680M

VS

AMD Radeon HD 6490M

NVIDIA GeForce GTX 680M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 4GB VRAM GeForce GTX 680M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

Released 1 years and 5 months late

Boost Clock758MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 25.60GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

GeForce GTX 680M +696%

2.038 TFLOPS

Radeon HD 6490M

VS

GeForce GTX 680M

Graphics Card

Jan 2011

Release Date

Jun 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

719 MHz

-

Boost Clock

758 MHz

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

115.2GB/s

Render Config

2

Compute Units

-

160

Shading Units

1344

8

TMUs

112

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

21.22 GPixel/s

6.400 GTexel/s

Texture Rate

84.90 GTexel/s

-

256.0 GFLOPS

FP32 (float)

2.038 TFLOPS

-

FP64 (double)

84.90 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

GK104

Seymour XTX S3 (216-0809024)

GPU Variant

N13E-GTX-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

3.54 billion

67 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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