NVIDIA GeForce GTX 660 OEM vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce GTX 660 OEM ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 4 years and 7 months late

Boost Clock888MHz

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 57.66GB/s)

832 additional rendering cores

Lower TDP (130W vs 165W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +287%

2.046 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

GeForce GTX 660 OEM

VS

Radeon HD 3870 X2

Graphics Card

Aug 2012

Release Date

Jan 2008

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

901 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

256bit

134.4GB/s

Bandwidth

57.66GB/s

Render Config

-

SM Count

-

Compute Units

4

1152

Shading Units

320

96

TMUs

16

24

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

256 KB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

13.20 GPixel/s

85.25 GTexel/s

Texture Rate

13.20 GTexel/s

-

FP16 (half)

-

2.046 TFLOPS

FP32 (float)

528.0 GFLOPS

85.25 GFLOPS

FP64 (double)

105.6 GFLOPS

Graphics Processor

GK104

GPU Name

R680

GK104-200-KD-A2

GPU Variant

R680 XT (215-0708017)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.666 billion

294 mm²

Die Size

192 mm²

Board Design

130W

TDP

165W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

Related GPU Comparisons

1

NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce MX350

2

NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce MX550

3

NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce RTX 3050 4 GB

4

NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 550 Ti

5

NVIDIA GeForce GTX 660 OEM vs AMD Radeon RX 470

6

NVIDIA GeForce GTX 660 OEM vs 3dfx Voodoo4-2 4200 PCI 16 MB

7

NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce 8800 GS

8

NVIDIA GeForce GTX 660 OEM vs ATI Radeon X1650 GT

9

NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 1660 SUPER

10

NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce RTX 2080 Ti

Related News

1

First Benchmark Leak of Intel Core Ultra 7 268V: Single-Core Performance Soars by 20%, Still Lags Behind AMD

2

NVIDIA Grace CPU Benchmark Results Released, Stunning Performance

3

Minisforum Launches UM890 Pro Mini PC with R9 8945HS and Dual USB4 Ports

4

Does the Apple A18 Neural Engine Boast Superior Performance? Computational Power May Surpass M4 Chip

5

AMD's Commitment to Pioneering Each Generation with Cutting-Edge Process Technology and Continuous Innovation in Design, Packaging, and Assembly

6

NVIDIA to Ramp Up Orders and Add New Suppliers to Meet Explosive Demand for Blackwell Products

7

NVIDIA Informs Brands of Reduced Supply for RTX 40 Series GPUs

8

Only 3 Weeks Left! AMD Zen5 Launching Soon

9

Ilya Departs OpenAI to Launch New Company Aiming at Superintelligence!

10

Comprehensive Overview of AMD Ryzen 9000 Zen5 Desktop CPUs