AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTX 650 Ti

VS

AMD Radeon R9 270 1024SP

NVIDIA GeForce GTX 650 Ti

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP 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 270 1024SP 's Advantages

Released 2 years and 5 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 86.40GB/s)

256 additional rendering cores

NVIDIA GeForce GTX 650 Ti 's Advantages

Lower TDP (110W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP +32%

1.894 TFLOPS

GeForce GTX 650 Ti

1.425 TFLOPS

Radeon R9 270 1024SP

VS

GeForce GTX 650 Ti

Graphics Card

Mar 2015

Release Date

Oct 2012

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1200 MHz

Memory Clock

1350 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

86.40GB/s

Render Config

16

Compute Units

-

1024

Shading Units

768

64

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

14.85 GPixel/s

59.20 GTexel/s

Texture Rate

59.39 GTexel/s

-

1.894 TFLOPS

FP32 (float)

1425 GFLOPS

118.4 GFLOPS

FP64 (double)

59.39 GFLOPS

Board Design

150W

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

GK106

Pitcairn PRO (215-0828062)

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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