AMD Radeon R9 270X vs NVIDIA GeForce GTX 650 Ti

VS

AMD Radeon R9 270X

NVIDIA GeForce GTX 650 Ti

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 1024MB VRAM GeForce GTX 650 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270X 's Advantages

Released 1 years late

Boost Clock1050MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 86.40GB/s)

512 additional rendering cores

NVIDIA GeForce GTX 650 Ti 's Advantages

Lower TDP (110W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 270X +88%

2.688 TFLOPS

GeForce GTX 650 Ti

1.425 TFLOPS

Radeon R9 270X

VS

GeForce GTX 650 Ti

Graphics Card

Oct 2013

Release Date

Oct 2012

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1400 MHz

Memory Clock

1350 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

86.40GB/s

Render Config

20

Compute Units

-

1280

Shading Units

768

80

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

14.85 GPixel/s

84.00 GTexel/s

Texture Rate

59.39 GTexel/s

-

2.688 TFLOPS

FP32 (float)

1425 GFLOPS

168.0 GFLOPS

FP64 (double)

59.39 GFLOPS

Board Design

180W

TDP

110W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Curacao

GPU Name

GK106

Curacao XT (215-0848004)

GPU Variant

GK106-220-A1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.54 billion

212 mm²

Die Size

221 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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