NVIDIA GeForce GTX 680 Mac Edition vs AMD Radeon HD 6490

VS

NVIDIA GeForce GTX 680 Mac Edition

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 Mac Edition 's Advantages

Released 1 years and 9 months late

Boost Clock1058MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.3GB/s vs 16.00GB/s)

1216 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 Mac Edition +823%

3.25 TFLOPS

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 680 Mac Edition

VS

Radeon HD 6490

Graphics Card

Apr 2013

Release Date

Jul 2011

GeForce 600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

192.3GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

-

1536

Shading Units

320

128

TMUs

16

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

4.400 GPixel/s

135.4 GTexel/s

Texture Rate

8.800 GTexel/s

-

3.250 TFLOPS

FP32 (float)

352.0 GFLOPS

135.4 GFLOPS

FP64 (double)

-

Board Design

195W

TDP

39W

450 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

Redwood

GK104-400-A2

GPU Variant

Redwood LE

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.627 billion

294 mm²

Die Size

104 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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