GPU Comparison

A

AMD

RADEON

ATI Radeon X1800 XT

CORE STATE R520

VRAM 512 MB

CLOCK SPEED —

TDP 113 W

BUS WIDTH 256 bit

ARCHITECTURE Ultra-Threaded SE

nm

PROCESS 90 nm

LAUNCH DATE 2005

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

ATI Radeon X1800 XT

GTX 1660 Ti

Core Specs

Shading Units

—

1,536

Shaders

—

1,536

TMUs

16

96 +500.0%

ROPs

16

48 +200.0%

SM Count

—

24

Clocks

Base Clock

—

1500 MHz

Boost Clock

—

1770 MHz

GPU Clock

600 MHz

—

Memory Clock

700 MHz 1400 Mbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

512 MB

6 GB

VRAM (MB)

512

6,144 +1100.0%

Memory Type

GDDR3

GDDR6

Memory Bus

256 bit

192 bit

Bandwidth

44.80 GB/s

288.0 GB/s

Cache

L1 Cache

—

64 KB (per SM)

L2 Cache

—

1536 KB

Performance

Pixel Rate

9.600 GPixel/s

84.96 GPixel/s

Texture Rate

9.600 GTexel/s

169.9 GTexel/s

FP32 (TFLOPS)

—

5.437 TFLOPS

FP64 (TFLOPS)

—

169.9 GFLOPS (1:32)

FP16 (TFLOPS)

—

10.87 TFLOPS (2:1)

Power

TDP

113 W

120 W

TDP (W)

113

120 +6.2%

Suggested PSU

300 W

300 W

Power Connectors

1x 6-pin

1x 8-pin

Architecture

Architecture

Ultra-Threaded SE

Turing

GPU Name

R520

TU116

Generation

Radeon R500 PCIe (X1800)

GeForce 16

Process Size

90 nm

12 nm

Transistors

312 million

6,600 million

Die Size

288 mm²

284 mm²

Foundry

TSMC

TSMC

Density

1.1M / mm²

23.2M / mm²

API Support

DirectX

9.0c (9_3)

12 (12_1)

OpenGL

2.1

4.6

Vulkan

—

1.4

OpenCL

—

3.0

CUDA

—

7.5

Shader Model

3.0

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

—

229 mm 9 inches

Height

—

111 mm 4.4 inches

Outputs

2x DVI1x S-Video

1x DVI1x HDMI 2.01x DisplayPort 1.4a

Bus Interface

PCIe 1.0 x16

PCIe 3.0 x16

Other

Launch Price

549 USD

279 USD

Production

End-of-life

End-of-life

Predecessor

Radeon R400 PCIe

GeForce 10

Successor

Radeon R600

GeForce 20

View ATI Radeon X1800 XT Details View GeForce GTX 1660 Ti Details