NVIDIA GeForce GTX 780 Ti 6 GB vs ATI Radeon HD 4450

VS

NVIDIA GeForce GTX 780 Ti 6 GB

ATI Radeon HD 4450

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 Ti 6 GB and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages

Boost Clock928MHz

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (336.6GB/s vs 6.400GB/s)

2800 additional rendering cores

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti 6 GB +5467%

5.345 TFLOPS

Radeon HD 4450

0.096 TFLOPS

GeForce GTX 780 Ti 6 GB

VS

Radeon HD 4450

Graphics Card

Unknown

Release Date

Nov 2011

GeForce 700

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

875 MHz

Base Clock

-

928 MHz

Boost Clock

-

1753 MHz

Memory Clock

400 MHz

Memory

6GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

336.6GB/s

Bandwidth

6.400GB/s

Render Config

-

Compute Units

1

-

2880

Shading Units

80

240

TMUs

8

48

ROPs

4

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

64 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

2.400 GPixel/s

222.7 GTexel/s

Texture Rate

4.800 GTexel/s

-

5.345 TFLOPS

FP32 (float)

96.00 GFLOPS

222.7 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

25W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110B

GPU Name

RV710

-

GPU Variant

RV710 (215-0725016)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

7.08 billion

Transistors

0.242 billion

561 mm²

Die Size

73 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.1

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