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

Quadro RTX 4000

CORE STATE TU104

VRAM 8 GB

CLOCK SPEED 1545 MHz

TDP 160 W

BUS WIDTH 256 bit

ARCHITECTURE Turing

nm

PROCESS 12 nm

LAUNCH DATE 2018

PERFORMANCE BENCHMARKS

geekbench_opencl

15,095

85,166

geekbench_vulkan

15,511

78,844

3dmark_3dmark_steel_nomad_dx12

N/A

1,873

passmark_directx_10

N/A

108

passmark_directx_11

N/A

128

passmark_directx_12

N/A

52

passmark_directx_9

N/A

205

passmark_g2d

N/A

846

passmark_g3d

N/A

15,117

passmark_gpu_compute

N/A

6,176

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 660 Ti

Quadro RTX 4000

Core Specs

Shading Units

1,344

2,304 +71.4%

Shaders

1,344

2,304 +71.4%

TMUs

112

144 +28.6%

ROPs

24

64 +166.7%

SM Count

—

36

Clocks

Base Clock

915 MHz

1005 MHz

Boost Clock

980 MHz

1545 MHz

Memory Clock

1502 MHz 6 Gbps effective

1625 MHz 13 Gbps effective

Memory

Memory Size

2 GB

8 GB

VRAM (MB)

2,048

8,192 +300.0%

Memory Type

GDDR5

GDDR6

Memory Bus

192 bit

256 bit

Bandwidth

144.2 GB/s

416.0 GB/s

Cache

L1 Cache

16 KB (per SMX)

64 KB (per SM)

L2 Cache

384 KB

4 MB

Performance

Pixel Rate

27.44 GPixel/s

98.88 GPixel/s

Texture Rate

109.8 GTexel/s

222.5 GTexel/s

FP32 (TFLOPS)

2.634 TFLOPS

7.119 TFLOPS

FP64 (TFLOPS)

109.8 GFLOPS (1:24)

222.5 GFLOPS (1:32)

FP16 (TFLOPS)

—

14.24 TFLOPS (2:1)

AI/RT

RT Cores

—

36

Tensor Cores

—

288

Power

TDP

150 W

160 W

TDP (W)

150

160 +6.7%

Suggested PSU

450 W

450 W

Power Connectors

2x 6-pin

1x 8-pin

Architecture

Architecture

Kepler

Turing

GPU Name

GK104

TU104

Generation

GeForce 600

Quadro Turing (Tx000)

Process Size

28 nm

12 nm

Transistors

3,540 million

13,600 million

Die Size

294 mm²

545 mm²

Foundry

TSMC

TSMC

Density

12.0M / mm²

25.0M / 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

Single-slot

Length

241 mm 9.5 inches

241 mm 9.5 inches

Height

—

111 mm 4.4 inches

Outputs

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

3x DisplayPort 1.4a1x USB Type-C

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x16

Other

Launch Price

299 USD

899 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 500

Quadro Volta

Successor

GeForce 700

Workstation Ampere

View GeForce GTX 660 Ti Details View Quadro RTX 4000 Details