ATI Radeon HD 4450 vs NVIDIA GeForce GT 620 OEM

VS

ATI Radeon HD 4450

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

32 additional rendering cores

Lower TDP (25W vs 30W)

NVIDIA GeForce GT 620 OEM 's Advantages

Larger VRAM bandwidth (14.37GB/s vs 6.400GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

GeForce GT 620 OEM +62%

0.156 TFLOPS

Radeon HD 4450

VS

GeForce GT 620 OEM

Graphics Card

Nov 2011

Release Date

Apr 2012

Radeon R700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

898 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

14.37GB/s

Render Config

1

Compute Units

-

SM Count

1

80

Shading Units

48

8

TMUs

8

4

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

1.620 GPixel/s

4.800 GTexel/s

Texture Rate

6.480 GTexel/s

-

96.00 GFLOPS

FP32 (float)

155.5 GFLOPS

-

FP64 (double)

12.96 GFLOPS

Board Design

25W

TDP

30W

200 W

Suggested PSU

200 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

GF119

RV710 (215-0725016)

GPU Variant

-

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.242 billion

Transistors

0.292 billion

73 mm²

Die Size

79 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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