NVIDIA GeForce GTX 660 Ti vs AMD Radeon HD 8740 OEM

VS

NVIDIA GeForce GTX 660 Ti

AMD Radeon HD 8740 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM Radeon HD 8740 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 72.00GB/s)

832 additional rendering cores

AMD Radeon HD 8740 OEM 's Advantages

Released 1 years and 1 months late

Lower TDP (55W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +221%

2.634 TFLOPS

Radeon HD 8740 OEM

0.819 TFLOPS

GeForce GTX 660 Ti

VS

Radeon HD 8740 OEM

Graphics Card

Aug 2012

Release Date

Sep 2013

GeForce 600

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

8

-

1344

Shading Units

512

112

TMUs

32

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

12.80 GPixel/s

109.8 GTexel/s

Texture Rate

25.60 GTexel/s

-

2.634 TFLOPS

FP32 (float)

819.2 GFLOPS

109.8 GFLOPS

FP64 (double)

51.20 GFLOPS

Board Design

150W

TDP

55W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

Cape Verde

GK104-300-KD-A2

GPU Variant

Cape Verde PRO

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.5 billion

294 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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