ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GTX TITAN X

VS

ATI Radeon HD 4870 Mac Edition

NVIDIA GeForce GTX TITAN X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 12GB VRAM GeForce GTX TITAN X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages

Lower TDP (150W vs 250W)

NVIDIA GeForce GTX TITAN X 's Advantages

Released 6 years and 2 months late

Boost Clock1089MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (336.6GB/s vs 108.8GB/s)

2272 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition

1.2 TFLOPS

GeForce GTX TITAN X +457%

6.691 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce GTX TITAN X

Graphics Card

Jan 2009

Release Date

Mar 2015

Radeon R700

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1089 MHz

850 MHz

Memory Clock

1753 MHz

Memory

512MB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

108.8GB/s

Bandwidth

336.6GB/s

Render Config

10

Compute Units

-

800

Shading Units

3072

40

TMUs

192

16

ROPs

96

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

3 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

104.5 GPixel/s

30.00 GTexel/s

Texture Rate

209.1 GTexel/s

-

1200 GFLOPS

FP32 (float)

6.691 TFLOPS

240.0 GFLOPS

FP64 (double)

209.1 GFLOPS

Board Design

150W

TDP

250W

450 W

Suggested PSU

600 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV770

GPU Name

GM200

RV770 XT Mac (215-0669080)

GPU Variant

GM200-400-A1

TeraScale

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

8 billion

256 mm²

Die Size

601 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

4.1

Shader Model

6.4

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