AMD Radeon R9 255 OEM vs NVIDIA GeForce GTS 450 OEM

VS

AMD Radeon R9 255 OEM

NVIDIA GeForce GTS 450 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM 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 255 OEM 's Advantages

Released 3 years and 3 months late

Boost Clock930MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (73.60GB/s vs 57.73GB/s)

368 additional rendering cores

Lower TDP (65W vs 106W)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM +111%

0.952 TFLOPS

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon R9 255 OEM

VS

GeForce GTS 450 OEM

Graphics Card

Dec 2013

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

-

930 MHz

Boost Clock

-

1150 MHz

Memory Clock

902 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

57.73GB/s

Render Config

8

Compute Units

-

SM Count

3

512

Shading Units

144

32

TMUs

24

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

4.698 GPixel/s

29.76 GTexel/s

Texture Rate

18.79 GTexel/s

-

952.3 GFLOPS

FP32 (float)

451.0 GFLOPS

59.52 GFLOPS

FP64 (double)

37.58 GFLOPS

Board Design

65W

TDP

106W

250 W

Suggested PSU

300 W

No outputs

Outputs

1x DVI 1x DisplayPort 1x VGA

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

GF106

Cape Verde PRX

GPU Variant

-

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.17 billion

123 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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