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

A

AMD

RADEON

Radeon RX Vega 64

CORE STATE Vega 10

VRAM 8 GB

CLOCK SPEED 1546 MHz

TDP 295 W

BUS WIDTH 2048 bit

ARCHITECTURE GCN 5.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

N/A

geekbench_vulkan

14,748

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

1,669

geekbench_metal

N/A

78,088

DETAILED SPECIFICATIONS

SPECIFICATION

660M

RX Vega 64

Core Specs

Shading Units

384

4,096 +966.7%

Shaders

384

4,096 +966.7%

TMUs

24

256 +966.7%

ROPs

16

64 +300.0%

Compute Units

6

64 +966.7%

Clocks

Base Clock

1500 MHz

1247 MHz

Boost Clock

1900 MHz

1546 MHz

Memory Clock

System Shared

945 MHz 1890 Mbps effective

Memory

Memory Size

System Shared

8 GB

VRAM (MB)

—

8,192

Memory Type

System Shared

HBM2

Memory Bus

System Shared

2048 bit

Bandwidth

System Dependent

483.8 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per CU)

L2 Cache

2 MB

4 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

98.94 GPixel/s

Texture Rate

45.60 GTexel/s

395.8 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

12.66 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

791.6 GFLOPS (1:16)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

25.33 TFLOPS (2:1)

AI/RT

RT Cores

6

—

Power

TDP

40 W

295 W

TDP (W)

40

295 +637.5%

Suggested PSU

—

600 W

Power Connectors

None

2x 8-pin

Architecture

Architecture

RDNA 2.0

GCN 5.0

GPU Name

Rembrandt

Vega 10

Generation

Navi II IGP (Rembrandt Mobile)

Vega (RX Vega)

Process Size

6 nm

14 nm

Transistors

13,100 million

12,500 million

Die Size

208 mm²

495 mm²

Foundry

TSMC

GlobalFoundries

Density

63.0M / mm²

25.3M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.3

OpenCL

2.0

2.1

Shader Model

6.8

6.7

Physical

Slot Width

IGP

Dual-slot

Length

—

280 mm 11 inches

Height

—

111 mm 4.4 inches

Outputs

Portable Device Dependent

1x HDMI 2.0b3x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Launch Price

—

499 USD

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

Polaris

Successor

Navi III IGP

Navi

View Radeon 660M Details View Radeon RX Vega 64 Details