NVIDIA GeForce GTX 660 Ti vs AMD Radeon HD 7720 OEM

VS

NVIDIA GeForce GTX 660 Ti AMD Radeon HD 7720 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM Radeon HD 7720 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 1GB)

Larger VRAM bandwidth (144.2GB/s vs 134.4GB/s)

544 additional rendering cores

AMD Radeon HD 7720 OEM 's Advantages

Released 7 months late

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +95%

2.634 TFLOPS

Radeon HD 7720 OEM

1.344 TFLOPS

GeForce GTX 660 Ti

VS

Radeon HD 7720 OEM

Graphics Card

Aug 2012

Release Date

Mar 2013

GeForce 600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

Compute Units

10

1344

Shading Units

800

112

TMUs

40

24

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

Theoretical Performance

27.44 GPixel/s

Pixel Rate

26.88 GPixel/s

109.8 GTexel/s

Texture Rate

33.60 GTexel/s

-

FP16 (half)

-

2.634 TFLOPS

FP32 (float)

1344 GFLOPS

109.8 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

Barts

GK104-300-KD-A2

GPU Variant

Barts LE (215-0798002)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

1.7 billion

294 mm²

Die Size

255 mm²

Board Design

150W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

2x 6-pin

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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