GPU Comparison

A

AMD

RADEON

ATI Radeon HD 2900 XT

CORE STATE R600

VRAM 512 MB

CLOCK SPEED —

TDP 215 W

BUS WIDTH 512 bit

ARCHITECTURE TeraScale

nm

PROCESS 80 nm

LAUNCH DATE 2007

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 HD 2900 XT

GTX 1660 Ti

Core Specs

Shading Units

320

1,536 +380.0%

Shaders

320

1,536 +380.0%

TMUs

16

96 +500.0%

ROPs

16

48 +200.0%

Compute Units

4

—

SM Count

—

24

Clocks

Base Clock

—

1500 MHz

Boost Clock

—

1770 MHz

GPU Clock

743 MHz

—

Memory Clock

828 MHz 1656 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

512 bit

192 bit

Bandwidth

106.0 GB/s

288.0 GB/s

Cache

L1 Cache

—

64 KB (per SM)

L2 Cache

256 KB

1536 KB

Performance

Pixel Rate

11.89 GPixel/s

84.96 GPixel/s

Texture Rate

11.89 GTexel/s

169.9 GTexel/s

FP32 (TFLOPS)

475.5 GFLOPS

5.437 TFLOPS

FP64 (TFLOPS)

—

169.9 GFLOPS (1:32)

FP16 (TFLOPS)

—

10.87 TFLOPS (2:1)

Power

TDP

215 W

120 W

TDP (W)

215

120 -44.2%

Suggested PSU

550 W

300 W

Power Connectors

1x 6-pin + 1x 8-pin

1x 8-pin

Architecture

Architecture

TeraScale

Turing

GPU Name

R600

TU116

Generation

Radeon R600 (HD 2900)

GeForce 16

Process Size

80 nm

12 nm

Transistors

720 million

6,600 million

Die Size

420 mm²

284 mm²

Foundry

TSMC

TSMC

Density

1.7M / mm²

23.2M / mm²

API Support

DirectX

10.0 (10_0)

12 (12_1)

OpenGL

3.3 (full) 4.0 (partial)

4.6

Vulkan

—

1.4

OpenCL

—

3.0

CUDA

—

7.5

Shader Model

4.0

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

241 mm 9.5 inches

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

399 USD

279 USD

Production

End-of-life

End-of-life

Predecessor

Radeon R500 PCIe

GeForce 10

Successor

Radeon R700

GeForce 20

View ATI Radeon HD 2900 XT Details View GeForce GTX 1660 Ti Details