AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTS 450 OEM

VS

AMD Radeon R9 270 1024SP

NVIDIA GeForce GTS 450 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 512MB VRAM GeForce GTS 450 OEM 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 6 months late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 57.73GB/s)

880 additional rendering cores

NVIDIA GeForce GTS 450 OEM 's Advantages

Lower TDP (106W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP +319%

1.894 TFLOPS

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon R9 270 1024SP

VS

GeForce GTS 450 OEM

Graphics Card

Mar 2015

Release Date

Sep 2010

Volcanic Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1200 MHz

Memory Clock

902 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

57.73GB/s

Render Config

16

Compute Units

-

SM Count

3

1024

Shading Units

144

64

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

4.698 GPixel/s

59.20 GTexel/s

Texture Rate

18.79 GTexel/s

-

1.894 TFLOPS

FP32 (float)

451.0 GFLOPS

118.4 GFLOPS

FP64 (double)

37.58 GFLOPS

Board Design

150W

TDP

106W

450 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x DisplayPort 1x VGA

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

GF106

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

1.17 billion

212 mm²

Die Size

238 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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