NVIDIA GeForce GTX 680 vs ATI Radeon HD 5450 PCIe x1

VS

NVIDIA GeForce GTX 680

ATI Radeon HD 5450 PCIe x1

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 512MB VRAM Radeon HD 5450 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Released 2 years and 1 months late

Boost Clock1058MHz

More VRAM (2GB vs 512GB)

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

1456 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +3025%

3.25 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

GeForce GTX 680

VS

Radeon HD 5450 PCIe x1

Graphics Card

Mar 2012

Release Date

Feb 2010

GeForce 600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

192.3GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

-

1536

Shading Units

80

128

TMUs

8

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

2.600 GPixel/s

135.4 GTexel/s

Texture Rate

5.200 GTexel/s

-

3.250 TFLOPS

FP32 (float)

104.0 GFLOPS

135.4 GFLOPS

FP64 (double)

-

Board Design

195W

TDP

19W

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

-

Graphics Processor

GK104

GPU Name

Cedar

GK104-400-A2

GPU Variant

Cedar PRO

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.292 billion

294 mm²

Die Size

59 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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