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

VS

NVIDIA GeForce GTX TITAN Z

ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN Z and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN Z 's Advantages

Released 5 years and 4 months late

Boost Clock876MHz

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (336.0GB/s vs 108.8GB/s)

2080 additional rendering cores

ATI Radeon HD 4870 Mac Edition 's Advantages

Lower TDP (150W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN Z +320%

5.046 TFLOPS

Radeon HD 4870 Mac Edition

1.2 TFLOPS

GeForce GTX TITAN Z

VS

Radeon HD 4870 Mac Edition

Graphics Card

May 2014

Release Date

Jan 2009

GeForce 700

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

705 MHz

Base Clock

-

876 MHz

Boost Clock

-

1750 MHz

Memory Clock

850 MHz

Memory

6GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.0GB/s

Bandwidth

108.8GB/s

Render Config

-

Compute Units

10

-

2880

Shading Units

800

240

TMUs

40

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

12.00 GPixel/s

210.2 GTexel/s

Texture Rate

30.00 GTexel/s

-

5.046 TFLOPS

FP32 (float)

1200 GFLOPS

1.682 TFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

375W

TDP

150W

750 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x mini-DisplayPort 1.0

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110B

GPU Name

RV770

GK110-350-B1

GPU Variant

RV770 XT Mac (215-0669080)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

7.08 billion

Transistors

0.956 billion

561 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.1

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