AMD Radeon HD 7790 vs NVIDIA GeForce GTX 660

VS

AMD Radeon HD 7790

NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Released 6 months late

Lower TDP (85W vs 140W)

NVIDIA GeForce GTX 660 's Advantages

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 96.00GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

GeForce GTX 660 +10%

1.981 TFLOPS

Radeon HD 7790

VS

GeForce GTX 660

Graphics Card

Mar 2013

Release Date

Sep 2012

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1500 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

96.00GB/s

Bandwidth

144.2GB/s

Render Config

14

Compute Units

-

896

Shading Units

960

56

TMUs

80

16

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

20.64 GPixel/s

56.00 GTexel/s

Texture Rate

82.56 GTexel/s

-

1.792 TFLOPS

FP32 (float)

1.981 TFLOPS

112.0 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

85W

TDP

140W

250 W

Suggested PSU

300 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Bonaire

GPU Name

GK106

Bonaire XT (215-0839039)

GPU Variant

GK106-400-A1

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

2.54 billion

160 mm²

Die Size

221 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

Related GPU Comparisons

1

AMD Radeon HD 7790 vs AMD Radeon RX 560 XT

2

AMD Radeon HD 7790 vs ATI FireGL V7700

3

AMD Radeon HD 7790 vs ATI Radeon X1650 AGP

4

AMD Radeon HD 7790 vs ATI Radeon HD 3870 X2

5

AMD Radeon HD 7790 vs NVIDIA GeForce GTX 260 Core 216

6

AMD Radeon HD 7790 vs NVIDIA GeForce GT 705 OEM

7

AMD Radeon HD 7790 vs AMD Radeon RX 5300 XT

8

AMD Radeon HD 7790 vs NVIDIA GeForce 9400 GT

9

AMD Radeon HD 7790 vs NVIDIA GeForce GTX 470 X2

10

AMD Radeon HD 7790 vs NVIDIA GeForce 6800 XT

Related News

1

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

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

4

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

5

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

6

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

7

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

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

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

10

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