AMD Radeon R9 270 vs NVIDIA GeForce GTX TITAN Z

VS

AMD Radeon R9 270

NVIDIA GeForce GTX TITAN Z

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 6GB VRAM GeForce GTX TITAN Z to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages

Boost Clock has increased by 6% (925MHz vs 876MHz)

Lower TDP (150W vs 375W)

NVIDIA GeForce GTX TITAN Z 's Advantages

Released 6 months late

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (336.0GB/s vs 179.2GB/s)

1600 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270

2.368 TFLOPS

GeForce GTX TITAN Z +113%

5.046 TFLOPS

Radeon R9 270

VS

GeForce GTX TITAN Z

Graphics Card

Nov 2013

Release Date

May 2014

Volcanic Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

705 MHz

925 MHz

Boost Clock

876 MHz

1400 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

179.2GB/s

Bandwidth

336.0GB/s

Render Config

20

Compute Units

-

1280

Shading Units

2880

80

TMUs

240

32

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

52.56 GPixel/s

74.00 GTexel/s

Texture Rate

210.2 GTexel/s

-

2.368 TFLOPS

FP32 (float)

5.046 TFLOPS

148.0 GFLOPS

FP64 (double)

1.682 TFLOPS

Board Design

150W

TDP

375W

450 W

Suggested PSU

750 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Curacao

GPU Name

GK110B

Curacao PRO (215-0848000)

GPU Variant

GK110-350-B1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

7.08 billion

212 mm²

Die Size

561 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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