AMD Radeon R9 255 OEM vs NVIDIA GeForce GTS 450 Rev. 3

VS

AMD Radeon R9 255 OEM

NVIDIA GeForce GTS 450 Rev. 3

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 1024MB VRAM GeForce GTS 450 Rev. 3 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 1 years and 5 months late

Boost Clock930MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (73.60GB/s vs 22.40GB/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 Rev. 3

0.451 TFLOPS

Radeon R9 255 OEM

VS

GeForce GTS 450 Rev. 3

Graphics Card

Dec 2013

Release Date

Jul 2012

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

700 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

22.40GB/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

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

-

Graphics Processor

Cape Verde

GPU Name

GF116

Cape Verde PRX

GPU Variant

GF116-200-KA-A1

GCN 1.0

Architecture

Fermi 2.0

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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