ATI Radeon HD 5870 Mac Edition vs AMD Radeon R9 270X

VS

ATI Radeon HD 5870 Mac Edition AMD Radeon R9 270X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition 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 5870 Mac Edition 's Advantages

320 additional rendering cores

AMD Radeon R9 270X 's Advantages

Released 3 years and 4 months late

Boost Clock1050MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (179.2GB/s vs 153.0GB/s)

Lower TDP (180W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition +1%

2.72 TFLOPS

Radeon R9 270X

2.688 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon R9 270X

Graphics Card

Jun 2010

Release Date

Oct 2013

Evergreen

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

1195 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.0GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

20

Compute Units

20

1600

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

33.60 GPixel/s

68.00 GTexel/s

Texture Rate

84.00 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

2.688 TFLOPS

544.0 GFLOPS

FP64 (double)

168.0 GFLOPS

Graphics Processor

Cypress

GPU Name

Curacao

Cypress XT (215-0735033)

GPU Variant

Curacao XT (215-0848004)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

2.8 billion

334 mm²

Die Size

212 mm²

Board Design

228W

TDP

180W

550 W

Suggested PSU

450 W

1x DVI 2x mini-DisplayPort 1.1

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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