AMD Radeon RX 455 OEM vs NVIDIA GeForce GTX 660 Ti

VS

AMD Radeon RX 455 OEM

NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 2GB VRAM GeForce GTX 660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Released 3 years and 10 months late

Lower TDP (100W vs 150W)

NVIDIA GeForce GTX 660 Ti 's Advantages

Boost Clock980MHz

Larger VRAM bandwidth (144.2GB/s vs 104.0GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM

1.613 TFLOPS

GeForce GTX 660 Ti +63%

2.634 TFLOPS

Radeon RX 455 OEM

VS

GeForce GTX 660 Ti

Graphics Card

Jun 2016

Release Date

Aug 2012

Arctic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

980 MHz

1625 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

104.0GB/s

Bandwidth

144.2GB/s

Render Config

12

Compute Units

-

768

Shading Units

1344

48

TMUs

112

16

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

27.44 GPixel/s

50.40 GTexel/s

Texture Rate

109.8 GTexel/s

-

1.613 TFLOPS

FP32 (float)

2.634 TFLOPS

100.8 GFLOPS

FP64 (double)

109.8 GFLOPS

Board Design

100W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Tobago

GPU Name

GK104

Tobago PRO (215-0875010)

GPU Variant

GK104-300-KD-A2

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

3.54 billion

160 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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