GPU Comparison

NVIDIA

GEFORCE

NVIDIA GeForce GTX 660

CORE STATE GK106

VRAM 2 GB

CLOCK SPEED 1032 MHz

TDP 140 W

BUS WIDTH 192 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2012

VS

NVIDIA

GEFORCE

GeForce RTX 3070

CORE STATE GA104

VRAM 8 GB

CLOCK SPEED 1725 MHz

TDP 220 W

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_metal

4,284

N/A

geekbench_opencl

11,347

123,479

geekbench_vulkan

11,368

120,664

3dmark_3dmark_steel_nomad_dx12

N/A

3,162

passmark_directx_10

N/A

150

passmark_directx_11

N/A

182

passmark_directx_12

N/A

85

passmark_directx_9

N/A

247

passmark_g2d

N/A

1,001

passmark_g3d

N/A

22,214

passmark_gpu_compute

N/A

11,195

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 660

RTX 3070

Core Specs

Shading Units

960

5,888 +513.3%

Shaders

960

5,888 +513.3%

TMUs

80

184 +130.0%

ROPs

24

96 +300.0%

SM Count

—

46

Clocks

Base Clock

980 MHz

1500 MHz

Boost Clock

1032 MHz

1725 MHz

Memory Clock

1502 MHz 6 Gbps effective

1750 MHz 14 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

448.0 GB/s

Cache

L1 Cache

16 KB (per SMX)

128 KB (per SM)

L2 Cache

384 KB

4 MB

Performance

Pixel Rate

20.64 GPixel/s

165.6 GPixel/s

Texture Rate

82.56 GTexel/s

317.4 GTexel/s

FP32 (TFLOPS)

1.981 TFLOPS

20.31 TFLOPS

FP64 (TFLOPS)

82.56 GFLOPS (1:24)

317.4 GFLOPS (1:64)

FP16 (TFLOPS)

—

20.31 TFLOPS (1:1)

AI/RT

RT Cores

—

46

Tensor Cores

—

184

Power

TDP

140 W

220 W

TDP (W)

140

220 +57.1%

Suggested PSU

300 W

550 W

Power Connectors

1x 6-pin

1x 12-pin

Architecture

Architecture

Kepler

Ampere

GPU Name

GK106

GA104

Generation

GeForce 600

GeForce 30

Process Size

28 nm

8 nm

Transistors

2,540 million

17,400 million

Die Size

221 mm²

392 mm²

Foundry

TSMC

Samsung

Density

11.5M / 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

Dual-slot

Length

241 mm 9.5 inches

242 mm 9.5 inches

Height

—

112 mm 4.4 inches

Outputs

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

229 USD

499 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 500

GeForce 20

Successor

GeForce 700

GeForce 40

View GeForce GTX 660 Details View GeForce RTX 3070 Details