ATI Radeon HD 4450 vs NVIDIA GeForce GT 420 OEM

VS

ATI Radeon HD 4450

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

Released 1 years and 2 months late

32 additional rendering cores

Lower TDP (25W vs 50W)

NVIDIA GeForce GT 420 OEM 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 6.400GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

GeForce GT 420 OEM +39%

0.134 TFLOPS

Radeon HD 4450

VS

GeForce GT 420 OEM

Graphics Card

Nov 2011

Release Date

Sep 2010

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

28.80GB/s

Render Config

1

Compute Units

-

SM Count

1

80

Shading Units

48

8

TMUs

4

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

1.400 GPixel/s

4.800 GTexel/s

Texture Rate

2.800 GTexel/s

-

96.00 GFLOPS

FP32 (float)

134.4 GFLOPS

-

FP64 (double)

11.20 GFLOPS

Board Design

25W

TDP

50W

200 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

RV710

GPU Name

GF108

RV710 (215-0725016)

GPU Variant

GF108-200-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.242 billion

Transistors

0.585 billion

73 mm²

Die Size

116 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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