ATI Radeon HD 4450 vs NVIDIA GeForce GTX 670

VS

ATI Radeon HD 4450

NVIDIA GeForce GTX 670

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 2GB VRAM GeForce GTX 670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 170W)

NVIDIA GeForce GTX 670 's Advantages

Released 6 months late

Boost Clock980MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.3GB/s vs 6.400GB/s)

1264 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

GeForce GTX 670 +2643%

2.634 TFLOPS

Radeon HD 4450

VS

GeForce GTX 670

Graphics Card

Nov 2011

Release Date

May 2012

Radeon R700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

980 MHz

400 MHz

Memory Clock

1502 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

192.3GB/s

Render Config

1

Compute Units

-

80

Shading Units

1344

8

TMUs

112

4

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

27.44 GPixel/s

4.800 GTexel/s

Texture Rate

109.8 GTexel/s

-

96.00 GFLOPS

FP32 (float)

2.634 TFLOPS

-

FP64 (double)

109.8 GFLOPS

Board Design

25W

TDP

170W

200 W

Suggested PSU

450 W

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

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

RV710

GPU Name

GK104

RV710 (215-0725016)

GPU Variant

GK104-325-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.242 billion

Transistors

3.54 billion

73 mm²

Die Size

294 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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