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 GTX 980 Ti

CORE STATE GM200

VRAM 6 GB

CLOCK SPEED 1076 MHz

TDP 250 W

BUS WIDTH 384 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2015

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

43,259

geekbench_vulkan

14,748

47,724

3dmark_3dmark_steel_nomad_dx12

N/A

1,321

geekbench_metal

N/A

19,520

DETAILED SPECIFICATIONS

SPECIFICATION

660M

GTX 980 Ti

Core Specs

Shading Units

384

2,816 +633.3%

Shaders

384

2,816 +633.3%

TMUs

24

176 +633.3%

ROPs

16

96 +500.0%

Compute Units

6

—

Clocks

Base Clock

1500 MHz

1000 MHz

Boost Clock

1900 MHz

1076 MHz

Memory Clock

System Shared

1753 MHz 7 Gbps effective

Memory

Memory Size

System Shared

6 GB

VRAM (MB)

—

6,144

Memory Type

System Shared

GDDR5

Memory Bus

System Shared

384 bit

Bandwidth

System Dependent

336.6 GB/s

Cache

L1 Cache

128 KB per Array

48 KB (per SMM)

L2 Cache

2 MB

3 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

103.3 GPixel/s

Texture Rate

45.60 GTexel/s

189.4 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

6.060 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

189.4 GFLOPS (1:32)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

—

AI/RT

RT Cores

6

—

Power

TDP

40 W

250 W

TDP (W)

40

250 +525.0%

Suggested PSU

—

600 W

Power Connectors

None

1x 6-pin + 1x 8-pin

Architecture

Architecture

RDNA 2.0

Maxwell 2.0

GPU Name

Rembrandt

GM200

Generation

Navi II IGP (Rembrandt Mobile)

GeForce 900

Process Size

6 nm

28 nm

Transistors

13,100 million

8,000 million

Die Size

208 mm²

601 mm²

Foundry

TSMC

TSMC

Density

63.0M / mm²

13.3M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.0

3.0

CUDA

—

5.2

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

111 mm 4.4 inches

Outputs

Portable Device Dependent

1x DVI1x HDMI 2.03x DisplayPort 1.2

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Launch Price

—

649 USD

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

GeForce 700

Successor

Navi III IGP

GeForce 10

View Radeon 660M Details View GeForce GTX 980 Ti Details