GPU Comparison

A

AMD

RADEON

AMD Radeon HD 7870 XT

CORE STATE Tahiti

VRAM 2 GB

CLOCK SPEED 975 MHz

TDP 185 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2012

VS

NVIDIA

GEFORCE

GeForce GTX 1660

CORE STATE TU116

VRAM 6 GB

CLOCK SPEED 1785 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

1,065

geekbench_opencl

N/A

57,988

geekbench_vulkan

N/A

55,845

passmark_directx_10

N/A

61

passmark_directx_11

N/A

79

passmark_directx_12

N/A

49

passmark_directx_9

N/A

177

passmark_g2d

N/A

776

passmark_g3d

N/A

11,646

passmark_gpu_compute

N/A

4,963

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7870 XT

GTX 1660

Core Specs

Shading Units

1,536

1,408 -8.3%

Shaders

1,536

1,408 -8.3%

TMUs

96

88 -8.3%

ROPs

32

48 +50.0%

Compute Units

24

—

SM Count

—

22

Clocks

Base Clock

925 MHz

1530 MHz

Boost Clock

975 MHz

1785 MHz

Memory Clock

1500 MHz 6 Gbps effective

2001 MHz 8 Gbps effective

Memory

Memory Size

2 GB

6 GB

VRAM (MB)

2,048

6,144 +200.0%

Memory Type

GDDR5

GDDR5

Memory Bus

256 bit

192 bit

Bandwidth

192.0 GB/s

192.1 GB/s

Cache

L1 Cache

16 KB (per CU)

64 KB (per SM)

L2 Cache

512 KB

1536 KB

Performance

Pixel Rate

31.20 GPixel/s

85.68 GPixel/s

Texture Rate

93.60 GTexel/s

157.1 GTexel/s

FP32 (TFLOPS)

2.995 TFLOPS

5.027 TFLOPS

FP64 (TFLOPS)

748.8 GFLOPS (1:4)

157.1 GFLOPS (1:32)

FP16 (TFLOPS)

—

10.05 TFLOPS (2:1)

Power

TDP

185 W

120 W

TDP (W)

185

120 -35.1%

Suggested PSU

450 W

300 W

Power Connectors

2x 6-pin

1x 8-pin

Architecture

Architecture

GCN 1.0

Turing

GPU Name

Tahiti

TU116

Generation

Southern Islands (HD 7800)

GeForce 16

Process Size

28 nm

12 nm

Transistors

4,313 million

6,600 million

Die Size

352 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

Dual-slot

Dual-slot

Length

267 mm 10.5 inches

229 mm 9 inches

Height

—

111 mm 4.4 inches

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

1x DVI1x HDMI 2.01x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x16

Other

Launch Price

270 USD

219 USD

Production

End-of-life

End-of-life

Predecessor

Northern Islands

GeForce 10

Successor

Sea Islands

GeForce 20

View Radeon HD 7870 XT Details View GeForce GTX 1660 Details