ATI Radeon HD 4580 vs AMD Radeon R9 270X

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4580 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4580 's Advantages

Lower TDP (65W vs 180W)

AMD Radeon R9 270X 's Advantages

Released 1 years and 11 months late

Boost Clock1050MHz

Larger VRAM bandwidth (179.2GB/s vs 22.18GB/s)

1160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4580

0.191 TFLOPS

Radeon R9 270X +1307%

2.688 TFLOPS

Radeon HD 4580

VS

Radeon R9 270X

Graphics Card

Nov 2011

Release Date

Oct 2013

Radeon R700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

693 MHz

Memory Clock

1400 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

22.18GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

3

Compute Units

20

120

Shading Units

1280

8

TMUs

80

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

3.184 GPixel/s

Pixel Rate

33.60 GPixel/s

6.368 GTexel/s

Texture Rate

84.00 GTexel/s

-

FP16 (half)

-

191.0 GFLOPS

FP32 (float)

2.688 TFLOPS

-

FP64 (double)

168.0 GFLOPS

Graphics Processor

RV635

GPU Name

Curacao

RV635 PRO (215-0682008)

GPU Variant

Curacao XT (215-0848004)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.378 billion

Transistors

2.8 billion

135 mm²

Die Size

212 mm²

Board Design

65W

TDP

180W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

5.1

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