GPU Comparison

NVIDIA

GEFORCE

NVIDIA GeForce GTX 1080

CORE STATE GP104

VRAM 8 GB

CLOCK SPEED 1733 MHz

TDP 180 W

BUS WIDTH 256 bit

ARCHITECTURE Pascal

nm

PROCESS 16 nm

LAUNCH DATE 2016

VS

NVIDIA

GEFORCE

GeForce GTX 660

CORE STATE GK106

VRAM 2 GB

CLOCK SPEED 1032 MHz

TDP 140 W

BUS WIDTH 192 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,560

N/A

geekbench_metal

23,824

4,284

geekbench_opencl

55,724

11,347

geekbench_vulkan

65,164

11,368

passmark_directx_10

93

N/A

passmark_directx_11

124

N/A

passmark_directx_12

55

N/A

passmark_directx_9

211

N/A

passmark_g2d

888

N/A

passmark_g3d

15,586

N/A

passmark_gpu_compute

7,614

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 1080

GTX 660

Core Specs

Shading Units

2,560

960 -62.5%

Shaders

2,560

960 -62.5%

TMUs

160

80 -50.0%

ROPs

64

24 -62.5%

SM Count

20

—

Clocks

Base Clock

1607 MHz

980 MHz

Boost Clock

1733 MHz

1032 MHz

Memory Clock

1251 MHz 10 Gbps effective

1502 MHz 6 Gbps effective

Memory

Memory Size

8 GB

2 GB

VRAM (MB)

8,192

2,048 -75.0%

Memory Type

GDDR5X

GDDR5

Memory Bus

256 bit

192 bit

Bandwidth

320.3 GB/s

144.2 GB/s

Cache

L1 Cache

48 KB (per SM)

16 KB (per SMX)

L2 Cache

2 MB

384 KB

Performance

Pixel Rate

110.9 GPixel/s

20.64 GPixel/s

Texture Rate

277.3 GTexel/s

82.56 GTexel/s

FP32 (TFLOPS)

8.873 TFLOPS

1.981 TFLOPS

FP64 (TFLOPS)

277.3 GFLOPS (1:32)

82.56 GFLOPS (1:24)

FP16 (TFLOPS)

138.6 GFLOPS (1:64)

—

Power

TDP

180 W

140 W

TDP (W)

180

140 -22.2%

Suggested PSU

450 W

300 W

Power Connectors

1x 8-pin

1x 6-pin

Architecture

Architecture

Pascal

Kepler

GPU Name

GP104

GK106

Generation

GeForce 10

GeForce 600

Process Size

16 nm

28 nm

Transistors

7,200 million

2,540 million

Die Size

314 mm²

221 mm²

Foundry

TSMC

TSMC

Density

22.9M / mm²

11.5M / mm²

API Support

DirectX

12 (12_1)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

3.0

3.0

CUDA

6.1

3.0

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Dual-slot

Dual-slot

Length

267 mm 10.5 inches

241 mm 9.5 inches

Height

112 mm 4.4 inches

—

Outputs

1x DVI1x HDMI 2.03x DisplayPort 1.4a

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x16

Other

Launch Price

599 USD

229 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 900

GeForce 500

Successor

GeForce 20

GeForce 700

View GeForce GTX 1080 Details View GeForce GTX 660 Details