NVIDIA GeForce GTX 780M vs AMD Radeon HD 6490M Mac Edition

VS

NVIDIA GeForce GTX 780M

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M and 256MB VRAM Radeon HD 6490M Mac Edition 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 late

Boost Clock797MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 25.41GB/s)

1376 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780M +920%

2.448 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce GTX 780M

VS

Radeon HD 6490M Mac Edition

Graphics Card

May 2013

Release Date

May 2011

GeForce 700M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

771 MHz

Base Clock

-

797 MHz

Boost Clock

-

1250 MHz

Memory Clock

794 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

25.41GB/s

Render Config

-

Compute Units

2

-

1536

Shading Units

160

128

TMUs

8

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

3.000 GPixel/s

102.0 GTexel/s

Texture Rate

6.000 GTexel/s

-

2.448 TFLOPS

FP32 (float)

240.0 GFLOPS

102.0 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Seymour

N14E-GTX-A2

GPU Variant

Seymour XTX M2 (216-0809000)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.37 billion

294 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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