NVIDIA GeForce GTX 660 Rev. 2 vs ATI Radeon X1950 XTX Uber Edition

VS

NVIDIA GeForce GTX 660 Rev. 2

ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 512MB VRAM Radeon X1950 XTX Uber Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 7 years and 8 months late

Boost Clock1032MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (144.2GB/s vs 67.20GB/s)

960 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 140W)

Score

GeForce GTX 660 Rev. 2

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Sep 2014

Release Date

Jan 2007

GeForce 600

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

67.20GB/s

Render Config

-

960

Shading Units

-

80

TMUs

16

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

10.72 GPixel/s

82.56 GTexel/s

Texture Rate

10.72 GTexel/s

-

1.981 TFLOPS

FP32 (float)

-

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

125W

300 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x VHDCI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

R580+

-

GPU Variant

R580+ XT (215BAABKA31FG)

Kepler

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

3.54 billion

Transistors

0.384 billion

294 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

3.0

Related GPU Comparisons

1

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro W6600

2

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon RX 590

3

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon R5 220 OEM

4

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon RX 6750 GRE 10 GB

5

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GT 120 OEM

6

NVIDIA GeForce GTX 660 Rev. 2 vs AMD FireStream 9370

7

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 970

8

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon HD 8740 OEM

9

NVIDIA GeForce GTX 660 Rev. 2 vs ATI Radeon HD 3750

10

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA CMP 40HX

Related News

1

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

2

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

3

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

4

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

5

CXMT Reportedly Achieves 80% Yield in DDR5 Production

6

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

7

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

8

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

9

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

10

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers