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

GeForce RTX 3080 Ti Mobile

CORE STATE GA103

VRAM 16 GB

CLOCK SPEED 1260 MHz

TDP 115 W

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_opencl

15,095

117,866

geekbench_vulkan

15,511

107,502

3dmark_3dmark_steel_nomad_dx12

N/A

2,869

passmark_directx_10

N/A

131

passmark_directx_11

N/A

164

passmark_directx_12

N/A

88

passmark_directx_9

N/A

201

passmark_g2d

N/A

818

passmark_g3d

N/A

19,288

passmark_gpu_compute

N/A

8,471

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 660 Ti

RTX 3080 Ti Mobile

Core Specs

Shading Units

1,344

7,424 +452.4%

Shaders

1,344

7,424 +452.4%

TMUs

112

232 +107.1%

ROPs

24

96 +300.0%

SM Count

—

58

Clocks

Base Clock

915 MHz

810 MHz

Boost Clock

980 MHz

1260 MHz

Memory Clock

1502 MHz 6 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

2 GB

16 GB

VRAM (MB)

2,048

16,384 +700.0%

Memory Type

GDDR5

GDDR6

Memory Bus

192 bit

256 bit

Bandwidth

144.2 GB/s

512.0 GB/s

Cache

L1 Cache

16 KB (per SMX)

128 KB (per SM)

L2 Cache

384 KB

4 MB

Performance

Pixel Rate

27.44 GPixel/s

121.0 GPixel/s

Texture Rate

109.8 GTexel/s

292.3 GTexel/s

FP32 (TFLOPS)

2.634 TFLOPS

18.71 TFLOPS

FP64 (TFLOPS)

109.8 GFLOPS (1:24)

292.3 GFLOPS (1:64)

FP16 (TFLOPS)

—

18.71 TFLOPS (1:1)

AI/RT

RT Cores

—

58

Tensor Cores

—

232

Power

TDP

150 W

115 W

TDP (W)

150

115 -23.3%

Suggested PSU

450 W

—

Power Connectors

2x 6-pin

None

Architecture

Architecture

Kepler

Ampere

GPU Name

GK104

GA103

Generation

GeForce 600

GeForce 30 Mobile

Process Size

28 nm

8 nm

Transistors

3,540 million

22,000 million

Die Size

294 mm²

496 mm²

Foundry

TSMC

Samsung

Density

12.0M / mm²

44.4M / 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

—

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

GeForce 20 Mobile

Successor

GeForce 700

—

View GeForce GTX 660 Ti Details View GeForce RTX 3080 Ti Mobile Details