GPU Comparison

A

AMD

RADEON

AMD Radeon R5 M255

CORE STATE Topaz

VRAM 2 GB

CLOCK SPEED 940 MHz

TDP —

BUS WIDTH 128 bit

ARCHITECTURE GCN 3.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

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

geekbench_opencl

4,680

60,863

3dmark_3dmark_steel_nomad_dx12

N/A

1,061

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

R5 M255

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

925 MHz

1500 MHz

Boost Clock

940 MHz

1770 MHz

Memory Clock

1000 MHz 2 Gbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

2 GB

6 GB

VRAM (MB)

2,048

6,144 +200.0%

Memory Type

DDR3

GDDR6

Memory Bus

128 bit

192 bit

Bandwidth

32.00 GB/s

288.0 GB/s

Cache

L1 Cache

16 KB (per CU)

64 KB (per SM)

L2 Cache

256 KB

1536 KB

Performance

Pixel Rate

7.520 GPixel/s

84.96 GPixel/s

Texture Rate

22.56 GTexel/s

169.9 GTexel/s

FP32 (TFLOPS)

721.9 GFLOPS

5.437 TFLOPS

FP64 (TFLOPS)

45.12 GFLOPS (1:16)

169.9 GFLOPS (1:32)

FP16 (TFLOPS)

721.9 GFLOPS (1:1)

10.87 TFLOPS (2:1)

Power

TDP

—

120 W

TDP (W)

—

120

Suggested PSU

—

300 W

Power Connectors

—

1x 8-pin

Architecture

Architecture

GCN 3.0

Turing

GPU Name

Topaz

TU116

Generation

Gem System (R5 M200)

GeForce 16

Process Size

28 nm

12 nm

Transistors

1,550 million

6,600 million

Die Size

125 mm²

284 mm²

Foundry

TSMC

TSMC

Density

12.4M / mm²

23.2M / mm²

API Support

DirectX

12 (12_0)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1

3.0

CUDA

—

7.5

Shader Model

6.5

6.8

Physical

Slot Width

—

Dual-slot

Length

—

229 mm 9 inches

Height

—

111 mm 4.4 inches

Outputs

—

1x DVI1x HDMI 2.01x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x8

PCIe 3.0 x16

Other

Launch Price

—

279 USD

Production

End-of-life

End-of-life

Predecessor

Solar System

GeForce 10

Successor

Polaris Mobile

GeForce 20

View Radeon R5 M255 Details View GeForce GTX 1660 Ti Details