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

RTX A2000 Mobile

CORE STATE GA107

VRAM 4 GB

CLOCK SPEED 1687 MHz

TDP 95 W

BUS WIDTH 128 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

15,095

56,518

geekbench_vulkan

15,511

53,146

passmark_directx_10

N/A

57

passmark_directx_11

N/A

68

passmark_directx_12

N/A

47

passmark_directx_9

N/A

115

passmark_g2d

N/A

491

passmark_g3d

N/A

9,611

passmark_gpu_compute

N/A

4,334

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 660 Ti

RTX A2000 Mobile

Core Specs

Shading Units

1,344

2,560 +90.5%

Shaders

1,344

2,560 +90.5%

TMUs

112

80 -28.6%

ROPs

24

48 +100.0%

SM Count

—

20

Clocks

Base Clock

915 MHz

1215 MHz

Boost Clock

980 MHz

1687 MHz

Memory Clock

1502 MHz 6 Gbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

2 GB

4 GB

VRAM (MB)

2,048

4,096 +100.0%

Memory Type

GDDR5

GDDR6

Memory Bus

192 bit

128 bit

Bandwidth

144.2 GB/s

192.0 GB/s

Cache

L1 Cache

16 KB (per SMX)

128 KB (per SM)

L2 Cache

384 KB

2 MB

Performance

Pixel Rate

27.44 GPixel/s

80.98 GPixel/s

Texture Rate

109.8 GTexel/s

135.0 GTexel/s

FP32 (TFLOPS)

2.634 TFLOPS

8.637 TFLOPS

FP64 (TFLOPS)

109.8 GFLOPS (1:24)

135.0 GFLOPS (1:64)

FP16 (TFLOPS)

—

8.637 TFLOPS (1:1)

AI/RT

RT Cores

—

20

Tensor Cores

—

80

Power

TDP

150 W

95 W

TDP (W)

150

95 -36.7%

Suggested PSU

450 W

—

Power Connectors

2x 6-pin

None

Architecture

Architecture

Kepler

Ampere

GPU Name

GK104

GA107

Generation

GeForce 600

Ampere-MW (Ax000)

Process Size

28 nm

8 nm

Transistors

3,540 million

8,700 million

Die Size

294 mm²

200 mm²

Foundry

TSMC

Samsung

Density

12.0M / mm²

43.5M / 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

8.6

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

IGP

Length

241 mm 9.5 inches

—

Outputs

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

Portable Device Dependent

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

299 USD

—

Production

End-of-life

End-of-life

Predecessor

GeForce 500

Quadro Turing-M

Successor

GeForce 700

Ada-MW

View GeForce GTX 660 Ti Details View RTX A2000 Mobile Details