AMD Radeon R9 270 1024SP vs NVIDIA GeForce GT 440 Mac Edition

VS

AMD Radeon R9 270 1024SP

NVIDIA GeForce GT 440 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 1024MB VRAM GeForce GT 440 Mac Edition 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 4 years and 1 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 21.34GB/s)

928 additional rendering cores

NVIDIA GeForce GT 440 Mac Edition 's Advantages

Lower TDP (65W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP +509%

1.894 TFLOPS

GeForce GT 440 Mac Edition

0.311 TFLOPS

Radeon R9 270 1024SP

VS

GeForce GT 440 Mac Edition

Graphics Card

Mar 2015

Release Date

Feb 2011

Volcanic Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1200 MHz

Memory Clock

667 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

21.34GB/s

Render Config

16

Compute Units

-

SM Count

2

1024

Shading Units

96

64

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

3.240 GPixel/s

59.20 GTexel/s

Texture Rate

12.96 GTexel/s

-

1.894 TFLOPS

FP32 (float)

311.0 GFLOPS

118.4 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

150W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

GF108

Pitcairn PRO (215-0828062)

GPU Variant

GF108-400-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.585 billion

212 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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