GPU Comparison

A

AMD

RADEON

AMD Radeon HD 8670A

CORE STATE Mars

VRAM 1024 MB

CLOCK SPEED —

TDP 45 W

BUS WIDTH 64 bit

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2013

VS

NVIDIA

GEFORCE

GeForce GTX 1660 Ti

CORE STATE TU116

VRAM 6 GB

CLOCK SPEED 1770 MHz

TDP 120 W

BUS WIDTH 192 bit

ARCHITECTURE Turing

nm

PROCESS 12 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

N/A

1,061

geekbench_opencl

N/A

60,863

geekbench_vulkan

N/A

58,014

passmark_directx_10

N/A

66

passmark_directx_11

N/A

103

passmark_directx_12

N/A

51

passmark_directx_9

N/A

190

passmark_g2d

N/A

804

passmark_g3d

N/A

12,871

passmark_gpu_compute

N/A

5,226

DETAILED SPECIFICATIONS

SPECIFICATION

HD 8670A

GTX 1660 Ti

Core Specs

Shading Units

384

1,536 +300.0%

Shaders

384

1,536 +300.0%

TMUs

24

96 +300.0%

ROPs

8

48 +500.0%

Compute Units

6

—

SM Count

—

24

Clocks

Base Clock

—

1500 MHz

Boost Clock

—

1770 MHz

GPU Clock

600 MHz

—

Memory Clock

1000 MHz 2 Gbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

1024 MB

6 GB

VRAM (MB)

1,024

6,144 +500.0%

Memory Type

DDR3

GDDR6

Memory Bus

64 bit

192 bit

Bandwidth

16.00 GB/s

288.0 GB/s

Cache

L1 Cache

16 KB (per CU)

64 KB (per SM)

L2 Cache

128 KB

1536 KB

Performance

Pixel Rate

4.800 GPixel/s

84.96 GPixel/s

Texture Rate

14.40 GTexel/s

169.9 GTexel/s

FP32 (TFLOPS)

460.8 GFLOPS

5.437 TFLOPS

FP64 (TFLOPS)

28.80 GFLOPS (1:16)

169.9 GFLOPS (1:32)

FP16 (TFLOPS)

—

10.87 TFLOPS (2:1)

Power

TDP

45 W

120 W

TDP (W)

45

120 +166.7%

Suggested PSU

—

300 W

Power Connectors

—

1x 8-pin

Architecture

Architecture

GCN 1.0

Turing

GPU Name

Mars

TU116

Generation

All-In-One (HD 8000)

GeForce 16

Process Size

28 nm

12 nm

Transistors

950 million

6,600 million

Die Size

77 mm²

284 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

23.2M / mm²

API Support

DirectX

12 (11_1)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

3.0

CUDA

—

7.5

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

MXM Module

Dual-slot

Length

—

229 mm 9 inches

Height

—

111 mm 4.4 inches

Outputs

Portable Device Dependent

1x DVI1x HDMI 2.01x DisplayPort 1.4a

Bus Interface

MXM-A (3.0)

PCIe 3.0 x16

Other

Launch Price

—

279 USD

Production

End-of-life

End-of-life

Predecessor

—

GeForce 10

Successor

—

GeForce 20

View Radeon HD 8670A Details View GeForce GTX 1660 Ti Details