NVIDIA GeForce GTX 680 vs ATI Radeon HD 3450 AGP

VS

NVIDIA GeForce GTX 680

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 512MB VRAM Radeon HD 3450 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Released 4 years and 2 months late

Boost Clock1058MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.3GB/s vs 8.000GB/s)

1496 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +6670%

3.25 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

GeForce GTX 680

VS

Radeon HD 3450 AGP

Graphics Card

Mar 2012

Release Date

Jan 2008

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

192.3GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

-

1536

Shading Units

40

128

TMUs

4

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

2.400 GPixel/s

135.4 GTexel/s

Texture Rate

2.400 GTexel/s

-

3.250 TFLOPS

FP32 (float)

48.00 GFLOPS

135.4 GFLOPS

FP64 (double)

-

Board Design

195W

TDP

25W

450 W

Suggested PSU

200 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

1x Molex

Graphics Processor

GK104

GPU Name

RV620

GK104-400-A2

GPU Variant

RV620 LE

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.181 billion

294 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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