GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6870 1600SP Edition

CORE STATE Cypress

VRAM 1024 MB

CLOCK SPEED —

TDP 175 W

BUS WIDTH 256 bit

ARCHITECTURE TeraScale 2

nm

PROCESS 40 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 6870 1600SP Edition

GTX 1660 Ti

Core Specs

Shading Units

1,600

1,536 -4.0%

Shaders

1,600

1,536 -4.0%

TMUs

80

96 +20.0%

ROPs

32

48 +50.0%

Compute Units

20

—

SM Count

—

24

Clocks

Base Clock

—

1500 MHz

Boost Clock

—

1770 MHz

GPU Clock

850 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

1024 MB

6 GB

VRAM (MB)

1,024

6,144 +500.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

192 bit

Bandwidth

134.4 GB/s

288.0 GB/s

Cache

L1 Cache

8 KB (per CU)

64 KB (per SM)

L2 Cache

512 KB

1536 KB

Performance

Pixel Rate

27.20 GPixel/s

84.96 GPixel/s

Texture Rate

68.00 GTexel/s

169.9 GTexel/s

FP32 (TFLOPS)

2.720 TFLOPS

5.437 TFLOPS

FP64 (TFLOPS)

544.0 GFLOPS (1:5)

169.9 GFLOPS (1:32)

FP16 (TFLOPS)

—

10.87 TFLOPS (2:1)

Power

TDP

175 W

120 W

TDP (W)

175

120 -31.4%

Suggested PSU

450 W

300 W

Power Connectors

2x 6-pin

1x 8-pin

Architecture

Architecture

TeraScale 2

Turing

GPU Name

Cypress

TU116

Generation

Northern Islands (HD 6800)

GeForce 16

Process Size

40 nm

12 nm

Transistors

2,154 million

6,600 million

Die Size

334 mm²

284 mm²

Foundry

TSMC

TSMC

Density

6.4M / mm²

23.2M / mm²

API Support

DirectX

11.2 (11_0)

12 (12_1)

OpenGL

4.4

4.6

Vulkan

—

1.4

OpenCL

1.2

3.0

CUDA

—

7.5

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

282 mm 11.1 inches

229 mm 9 inches

Height

—

111 mm 4.4 inches

Outputs

2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1

1x DVI1x HDMI 2.01x DisplayPort 1.4a

Bus Interface

PCIe 2.0 x16

PCIe 3.0 x16

Other

Launch Price

—

279 USD

Production

End-of-life

End-of-life

Predecessor

Evergreen

GeForce 10

Successor

Southern Islands

GeForce 20

View Radeon HD 6870 1600SP Edition Details View GeForce GTX 1660 Ti Details