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 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

12,876

117,866

geekbench_vulkan

14,748

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

660M

RTX 3080 Ti Mobile

Core Specs

Shading Units

384

7,424 +1833.3%

Shaders

384

7,424 +1833.3%

TMUs

24

232 +866.7%

ROPs

16

96 +500.0%

Compute Units

6

—

SM Count

—

58

Clocks

Base Clock

1500 MHz

810 MHz

Boost Clock

1900 MHz

1260 MHz

Memory Clock

System Shared

2000 MHz 16 Gbps effective

Memory

Memory Size

System Shared

16 GB

VRAM (MB)

—

16,384

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

512.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

4 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

121.0 GPixel/s

Texture Rate

45.60 GTexel/s

292.3 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

18.71 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

292.3 GFLOPS (1:64)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

18.71 TFLOPS (1:1)

AI/RT

RT Cores

6

58 +866.7%

Tensor Cores

—

232

Power

TDP

40 W

115 W

TDP (W)

40

115 +187.5%

Power Connectors

None

None

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Rembrandt

GA103

Generation

Navi II IGP (Rembrandt Mobile)

GeForce 30 Mobile

Process Size

6 nm

8 nm

Transistors

13,100 million

22,000 million

Die Size

208 mm²

496 mm²

Foundry

TSMC

Samsung

Density

63.0M / mm²

44.4M / 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

—

8.6

Shader Model

6.8

6.8

Physical

Slot Width

IGP

—

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

GeForce 20 Mobile

Successor

Navi III IGP

—

View Radeon 660M Details View GeForce RTX 3080 Ti Mobile Details