NVIDIA GeForce GTX 680 vs NVIDIA GeForce GTX 490

VS

NVIDIA GeForce GTX 680

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Boost Clock1058MHz

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (192.3GB/s vs 164.0GB/s)

1056 additional rendering cores

Lower TDP (195W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +178%

3.25 TFLOPS

GeForce GTX 490

1.166 TFLOPS

GeForce GTX 680

VS

GeForce GTX 490

Graphics Card

Mar 2012

Release Date

Unknown

GeForce 600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

854 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

192.3GB/s

Bandwidth

164.0GB/s

Render Config

-

SM Count

15

1536

Shading Units

480

128

TMUs

60

32

ROPs

48

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

18.24 GPixel/s

135.4 GTexel/s

Texture Rate

36.48 GTexel/s

-

3.250 TFLOPS

FP32 (float)

1166 GFLOPS

135.4 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

195W

TDP

365W

450 W

Suggested PSU

750 W

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

Outputs

3x DVI 1x mini-DisplayPort

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GK104

GPU Name

GF100

GK104-400-A2

GPU Variant

GF100-375-A3

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

3.1 billion

294 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.0

5.1

Shader Model

5.1

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