NVIDIA GeForce GTX 660 Ti vs AMD Radeon HD 7790

VS

NVIDIA GeForce GTX 660 Ti

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM Radeon HD 7790 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 96.00GB/s)

448 additional rendering cores

AMD Radeon HD 7790 's Advantages

Released 7 months late

Lower TDP (85W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +46%

2.634 TFLOPS

Radeon HD 7790

1.792 TFLOPS

GeForce GTX 660 Ti

VS

Radeon HD 7790

Graphics Card

Aug 2012

Release Date

Mar 2013

GeForce 600

Generation

Southern 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

1500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

-

1344

Shading Units

896

112

TMUs

56

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

16.00 GPixel/s

109.8 GTexel/s

Texture Rate

56.00 GTexel/s

-

2.634 TFLOPS

FP32 (float)

1.792 TFLOPS

109.8 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

150W

TDP

85W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

Bonaire

GK104-300-KD-A2

GPU Variant

Bonaire XT (215-0839039)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

Related GPU Comparisons

1

NVIDIA GeForce GTX 660 Ti vs AMD FirePro S7150

2

NVIDIA GeForce GTX 660 Ti vs AMD Radeon RX 7700 XT

3

NVIDIA GeForce GTX 660 Ti vs ATI Radeon X1700 SE

4

NVIDIA GeForce GTX 660 Ti vs AMD Radeon RX 7600

5

NVIDIA GeForce GTX 660 Ti vs AMD FirePro S9170

6

NVIDIA GeForce GTX 660 Ti vs AMD Radeon 550X

7

NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 1650 TU116

8

NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 570

9

NVIDIA GeForce GTX 660 Ti vs AMD Radeon Pro WX 3100

10

NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce 8400 GS Rev. 2

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps