ATI Radeon HD 4450 vs NVIDIA GeForce GT 545

VS

ATI Radeon HD 4450

NVIDIA GeForce GT 545

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 1536MB VRAM GeForce GT 545 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

Released 6 months late

Lower TDP (25W vs 70W)

NVIDIA GeForce GT 545 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (38.40GB/s vs 6.400GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

GeForce GT 545 +332%

0.415 TFLOPS

Radeon HD 4450

VS

GeForce GT 545

Graphics Card

Nov 2011

Release Date

May 2011

Radeon R700

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1536MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

192bit

6.400GB/s

Bandwidth

38.40GB/s

Render Config

1

Compute Units

-

SM Count

3

80

Shading Units

144

8

TMUs

24

4

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

384 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

4.320 GPixel/s

4.800 GTexel/s

Texture Rate

17.28 GTexel/s

-

96.00 GFLOPS

FP32 (float)

414.7 GFLOPS

-

FP64 (double)

34.56 GFLOPS

Board Design

25W

TDP

70W

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

GF116

RV710 (215-0725016)

GPU Variant

-

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.242 billion

Transistors

1.17 billion

73 mm²

Die Size

238 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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