GPU Comparison

NVIDIA

GEFORCE

NVIDIA 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

VS

NVIDIA

GEFORCE

GeForce GTX TITAN BLACK

CORE STATE GK110B

VRAM 6 GB

CLOCK SPEED 980 MHz

TDP 250 W

BUS WIDTH 384 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2014

PERFORMANCE BENCHMARKS

geekbench_metal

4,284

24,172

geekbench_opencl

11,347

27,076

geekbench_vulkan

11,368

28,810

passmark_directx_10

N/A

47

passmark_directx_11

N/A

73

passmark_directx_12

N/A

34

passmark_directx_9

N/A

133

passmark_g2d

N/A

595

passmark_g3d

N/A

9,184

passmark_gpu_compute

N/A

3,726

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 660

GTX TITAN BLACK

Core Specs

Shading Units

960

2,880 +200.0%

Shaders

960

2,880 +200.0%

TMUs

80

240 +200.0%

ROPs

24

48 +100.0%

Clocks

Base Clock

980 MHz

889 MHz

Boost Clock

1032 MHz

980 MHz

Memory Clock

1502 MHz 6 Gbps effective

1750 MHz 7 Gbps effective

Memory

Memory Size

2 GB

6 GB

VRAM (MB)

2,048

6,144 +200.0%

Memory Type

GDDR5

GDDR5

Memory Bus

192 bit

384 bit

Bandwidth

144.2 GB/s

336.0 GB/s

Cache

L1 Cache

16 KB (per SMX)

16 KB (per SMX)

L2 Cache

384 KB

1536 KB

Performance

Pixel Rate

20.64 GPixel/s

58.80 GPixel/s

Texture Rate

82.56 GTexel/s

235.2 GTexel/s

FP32 (TFLOPS)

1.981 TFLOPS

5.645 TFLOPS

FP64 (TFLOPS)

82.56 GFLOPS (1:24)

1.882 TFLOPS (1:3)

Power

TDP

140 W

250 W

TDP (W)

140

250 +78.6%

Suggested PSU

300 W

600 W

Power Connectors

1x 6-pin

1x 6-pin + 1x 8-pin

Architecture

Architecture

Kepler

Kepler

GPU Name

GK106

GK110B

Generation

GeForce 600

GeForce 700

Process Size

28 nm

28 nm

Transistors

2,540 million

7,080 million

Die Size

221 mm²

561 mm²

Foundry

TSMC

TSMC

Density

11.5M / mm²

12.6M / mm²

API Support

DirectX

12 (11_0)

12 (11_1)

OpenGL

4.6

4.6

Vulkan

1.2.175

1.2.175

OpenCL

3.0

3.0

CUDA

3.0

3.5

Shader Model

6.5 (5.1)

6.5 (5.1)

Physical

Slot Width

Dual-slot

Dual-slot

Length

241 mm 9.5 inches

267 mm 10.5 inches

Height

—

111 mm 4.4 inches

Outputs

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x16

Other

Launch Price

229 USD

999 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 500

GeForce 600

Successor

GeForce 700

GeForce 900

View GeForce GTX 660 Details View GeForce GTX TITAN BLACK Details