AMD Radeon HD 6490M vs NVIDIA GeForce GTX 780M

VS

AMD Radeon HD 6490M

NVIDIA GeForce GTX 780M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 4GB VRAM GeForce GTX 780M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M 's Advantages

Released 2 years and 4 months late

Boost Clock797MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

1376 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

GeForce GTX 780M +856%

2.448 TFLOPS

Radeon HD 6490M

VS

GeForce GTX 780M

Graphics Card

Jan 2011

Release Date

May 2013

Vancouver

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

800 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

160.0GB/s

Render Config

2

Compute Units

-

160

Shading Units

1536

8

TMUs

128

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

25.50 GPixel/s

6.400 GTexel/s

Texture Rate

102.0 GTexel/s

-

256.0 GFLOPS

FP32 (float)

2.448 TFLOPS

-

FP64 (double)

102.0 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

GK104

Seymour XTX S3 (216-0809024)

GPU Variant

N14E-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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