ATI Radeon HD 4580 vs ATI Radeon HD 4450

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4580 and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4580 's Advantages

Larger VRAM bandwidth (22.18GB/s vs 6.400GB/s)

40 additional rendering cores

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 65W)

Score

Benchmark

FP32 (float)

Radeon HD 4580 +98%

0.191 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon HD 4580

VS

Radeon HD 4450

Graphics Card

Nov 2011

Release Date

Nov 2011

Radeon R700

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

693 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

22.18GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

3

Compute Units

1

120

Shading Units

80

8

TMUs

8

4

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

64 KB

Theoretical Performance

3.184 GPixel/s

Pixel Rate

2.400 GPixel/s

6.368 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

191.0 GFLOPS

FP32 (float)

96.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

RV635

GPU Name

RV710

RV635 PRO (215-0682008)

GPU Variant

RV710 (215-0725016)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.378 billion

Transistors

0.242 billion

135 mm²

Die Size

73 mm²

Board Design

65W

TDP

25W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

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

None

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

4.1

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