GPU Comparison

NVIDIA

GEFORCE

NVIDIA GeForce GTX 660 Ti

CORE STATE GK104

VRAM 2 GB

CLOCK SPEED 980 MHz

TDP 150 W

BUS WIDTH 192 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2012

VS

NVIDIA

GEFORCE

TITAN RTX

CORE STATE TU102

VRAM 24 GB

CLOCK SPEED 1770 MHz

TDP 280 W

BUS WIDTH 384 bit

ARCHITECTURE Turing

nm

PROCESS 12 nm

LAUNCH DATE 2018

PERFORMANCE BENCHMARKS

geekbench_opencl

15,095

148,755

geekbench_vulkan

15,511

132,180

3dmark_3dmark_steel_nomad_dx12

N/A

3,794

passmark_directx_10

N/A

147

passmark_directx_11

N/A

189

passmark_directx_12

N/A

88

passmark_directx_9

N/A

223

passmark_g2d

N/A

860

passmark_g3d

N/A

20,491

passmark_gpu_compute

N/A

10,034

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 660 Ti

TITAN RTX

Core Specs

Shading Units

1,344

4,608 +242.9%

Shaders

1,344

4,608 +242.9%

TMUs

112

288 +157.1%

ROPs

24

96 +300.0%

SM Count

—

72

Clocks

Base Clock

915 MHz

1350 MHz

Boost Clock

980 MHz

1770 MHz

Memory Clock

1502 MHz 6 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

2 GB

24 GB

VRAM (MB)

2,048

24,576 +1100.0%

Memory Type

GDDR5

GDDR6

Memory Bus

192 bit

384 bit

Bandwidth

144.2 GB/s

672.0 GB/s

Cache

L1 Cache

16 KB (per SMX)

64 KB (per SM)

L2 Cache

384 KB

6 MB

Performance

Pixel Rate

27.44 GPixel/s

169.9 GPixel/s

Texture Rate

109.8 GTexel/s

509.8 GTexel/s

FP32 (TFLOPS)

2.634 TFLOPS

16.31 TFLOPS

FP64 (TFLOPS)

109.8 GFLOPS (1:24)

509.8 GFLOPS (1:32)

FP16 (TFLOPS)

—

32.62 TFLOPS (2:1)

AI/RT

RT Cores

—

72

Tensor Cores

—

576

Power

TDP

150 W

280 W

TDP (W)

150

280 +86.7%

Suggested PSU

450 W

600 W

Power Connectors

2x 6-pin

2x 8-pin

Architecture

Architecture

Kepler

Turing

GPU Name

GK104

TU102

Generation

GeForce 600

GeForce 20

Process Size

28 nm

12 nm

Transistors

3,540 million

18,600 million

Die Size

294 mm²

754 mm²

Foundry

TSMC

TSMC

Density

12.0M / mm²

24.7M / mm²

API Support

DirectX

12 (11_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.175

1.4

OpenCL

3.0

3.0

CUDA

3.0

7.5

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

241 mm 9.5 inches

267 mm 10.5 inches

Height

—

116 mm 4.6 inches

Outputs

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x16

Other

Launch Price

299 USD

2,499 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 500

GeForce 10

Successor

GeForce 700

GeForce 30

View GeForce GTX 660 Ti Details View TITAN RTX Details