GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6790

CORE STATE Barts

VRAM 1024 MB

CLOCK SPEED —

TDP 150 W

BUS WIDTH 256 bit

ARCHITECTURE TeraScale 2

nm

PROCESS 40 nm

LAUNCH DATE 2011

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 6790

GTX 1660 Ti

Core Specs

Shading Units

800

1,536 +92.0%

Shaders

800

1,536 +92.0%

TMUs

40

96 +140.0%

ROPs

16

48 +200.0%

Compute Units

10

—

SM Count

—

24

Clocks

Base Clock

—

1500 MHz

Boost Clock

—

1770 MHz

GPU Clock

840 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

13.44 GPixel/s

84.96 GPixel/s

Texture Rate

33.60 GTexel/s

169.9 GTexel/s

FP32 (TFLOPS)

1,344.0 GFLOPS

5.437 TFLOPS

FP64 (TFLOPS)

—

169.9 GFLOPS (1:32)

FP16 (TFLOPS)

—

10.87 TFLOPS (2:1)

Power

TDP

150 W

120 W

TDP (W)

150

120 -20.0%

Suggested PSU

450 W

300 W

Power Connectors

2x 6-pin

1x 8-pin

Architecture

Architecture

TeraScale 2

Turing

GPU Name

Barts

TU116

Generation

Northern Islands (HD 6700)

GeForce 16

Process Size

40 nm

12 nm

Transistors

1,700 million

6,600 million

Die Size

255 mm²

284 mm²

Foundry

TSMC

TSMC

Density

6.7M / 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

198 mm 7.8 inches

229 mm 9 inches

Height

—

111 mm 4.4 inches

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

1x DVI1x HDMI 2.01x DisplayPort 1.4a

Bus Interface

PCIe 2.0 x16

PCIe 3.0 x16

Other

Launch Price

149 USD

279 USD

Production

End-of-life

End-of-life

Predecessor

Evergreen

GeForce 10

Successor

Southern Islands

GeForce 20

View Radeon HD 6790 Details View GeForce GTX 1660 Ti Details