NVIDIA GeForce GTX TITAN Z vs AMD Radeon R9 285

VS

NVIDIA GeForce GTX TITAN Z

AMD Radeon R9 285

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN Z and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN Z 's Advantages

Boost Clock876MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (336.0GB/s vs 176.0GB/s)

1088 additional rendering cores

AMD Radeon R9 285 's Advantages

Lower TDP (190W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN Z +53%

5.046 TFLOPS

Radeon R9 285

3.29 TFLOPS

GeForce GTX TITAN Z

VS

Radeon R9 285

Graphics Card

May 2014

Release Date

Sep 2014

GeForce 700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

705 MHz

Base Clock

-

876 MHz

Boost Clock

-

1750 MHz

Memory Clock

1375 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.0GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

28

-

2880

Shading Units

1792

240

TMUs

112

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

29.38 GPixel/s

210.2 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

5.046 TFLOPS

FP32 (float)

3.290 TFLOPS

1.682 TFLOPS

FP64 (double)

205.6 GFLOPS

Board Design

375W

TDP

190W

750 W

Suggested PSU

450 W

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

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110B

GPU Name

Tonga

GK110-350-B1

GPU Variant

Tonga PRO (215-0851128)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

5 billion

561 mm²

Die Size

366 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.5

CUDA

-

5.1

Shader Model

6.5

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