GPU Comparison

A

AMD

RADEON

AMD Radeon 660M

CORE STATE Rembrandt

VRAM System Shared

CLOCK SPEED 1900 MHz

TDP 40 W

BUS WIDTH System Shared

ARCHITECTURE RDNA 2.0

nm

PROCESS 6 nm

LAUNCH DATE 2022

VS

NVIDIA

GEFORCE

GeForce RTX 2080

CORE STATE TU104

VRAM 8 GB

CLOCK SPEED 1710 MHz

TDP 215 W

BUS WIDTH 256 bit

ARCHITECTURE Turing

nm

PROCESS 12 nm

LAUNCH DATE 2018

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

105,271

geekbench_vulkan

14,748

101,532

3dmark_3dmark_steel_nomad_dx12

N/A

1,752

passmark_directx_10

N/A

136

passmark_directx_11

N/A

158

passmark_directx_12

N/A

72

passmark_directx_9

N/A

223

passmark_g2d

N/A

907

passmark_g3d

N/A

18,720

passmark_gpu_compute

N/A

7,872

DETAILED SPECIFICATIONS

SPECIFICATION

660M

RTX 2080

Core Specs

Shading Units

384

2,944 +666.7%

Shaders

384

2,944 +666.7%

TMUs

24

184 +666.7%

ROPs

16

64 +300.0%

Compute Units

6

—

SM Count

—

46

Clocks

Base Clock

1500 MHz

1515 MHz

Boost Clock

1900 MHz

1710 MHz

Memory Clock

System Shared

1750 MHz 14 Gbps effective

Memory

Memory Size

System Shared

8 GB

VRAM (MB)

—

8,192

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

448.0 GB/s

Cache

L1 Cache

128 KB per Array

64 KB (per SM)

L2 Cache

2 MB

4 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

109.4 GPixel/s

Texture Rate

45.60 GTexel/s

314.6 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

10.07 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

314.6 GFLOPS (1:32)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

20.14 TFLOPS (2:1)

AI/RT

RT Cores

6

46 +666.7%

Tensor Cores

—

368

Power

TDP

40 W

215 W

TDP (W)

40

215 +437.5%

Suggested PSU

—

550 W

Power Connectors

None

1x 6-pin + 1x 8-pin

Architecture

Architecture

RDNA 2.0

Turing

GPU Name

Rembrandt

TU104

Generation

Navi II IGP (Rembrandt Mobile)

GeForce 20

Process Size

6 nm

12 nm

Transistors

13,100 million

13,600 million

Die Size

208 mm²

545 mm²

Foundry

TSMC

TSMC

Density

63.0M / mm²

25.0M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.0

3.0

CUDA

—

7.5

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

116 mm 4.6 inches

Outputs

Portable Device Dependent

1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Launch Price

—

699 USD

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

GeForce 10

Successor

Navi III IGP

GeForce 30

View Radeon 660M Details View GeForce RTX 2080 Details