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 4080 Mobile

CORE STATE AD104

VRAM 12 GB

CLOCK SPEED 1665 MHz

TDP 110 W

BUS WIDTH 192 bit

ARCHITECTURE Ada Lovelace

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_opencl

15,095

159,575

geekbench_vulkan

15,511

145,807

passmark_directx_10

N/A

157

passmark_directx_11

N/A

244

passmark_directx_12

N/A

96

passmark_directx_9

N/A

286

passmark_g2d

N/A

929

passmark_g3d

N/A

24,926

passmark_gpu_compute

N/A

11,191

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 660 Ti

RTX 4080 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

80 +233.3%

SM Count

—

58

Clocks

Base Clock

915 MHz

1290 MHz

Boost Clock

980 MHz

1665 MHz

Memory Clock

1502 MHz 6 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

2 GB

12 GB

VRAM (MB)

2,048

12,288 +500.0%

Memory Type

GDDR5

GDDR6

Memory Bus

192 bit

192 bit

Bandwidth

144.2 GB/s

432.0 GB/s

Cache

L1 Cache

16 KB (per SMX)

128 KB (per SM)

L2 Cache

384 KB

48 MB

Performance

Pixel Rate

27.44 GPixel/s

133.2 GPixel/s

Texture Rate

109.8 GTexel/s

386.3 GTexel/s

FP32 (TFLOPS)

2.634 TFLOPS

24.72 TFLOPS

FP64 (TFLOPS)

109.8 GFLOPS (1:24)

386.3 GFLOPS (1:64)

FP16 (TFLOPS)

—

24.72 TFLOPS (1:1)

AI/RT

RT Cores

—

58

Tensor Cores

—

232

Power

TDP

150 W

110 W

TDP (W)

150

110 -26.7%

Suggested PSU

450 W

—

Power Connectors

2x 6-pin

None

Architecture

Architecture

Kepler

Ada Lovelace

GPU Name

GK104

AD104

Generation

GeForce 600

GeForce 40 Mobile

Process Size

28 nm

5 nm

Transistors

3,540 million

35,800 million

Die Size

294 mm²

294 mm²

Foundry

TSMC

TSMC

Density

12.0M / mm²

121.8M / 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

8.9

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

Active

Predecessor

GeForce 500

GeForce 30 Mobile

Successor

GeForce 700

GeForce 50 Mobile

View GeForce GTX 660 Ti Details View GeForce RTX 4080 Mobile Details