GPU Comparison

NVIDIA

GEFORCE

NVIDIA GeForce GTX 660

CORE STATE GK106

VRAM 2 GB

CLOCK SPEED 1032 MHz

TDP 140 W

BUS WIDTH 192 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2012

VS

NVIDIA

GEFORCE

RTX 6000D

CORE STATE GB202

VRAM 84 GB

CLOCK SPEED 2430 MHz

TDP 600 W

BUS WIDTH 448 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_metal

4,305

N/A

geekbench_opencl

11,347

388,405

geekbench_vulkan

11,415

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

3,522

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 660

RTX 6000D

Core Specs

Shading Units

960

19,968 +1980.0%

Shaders

960

19,968 +1980.0%

TMUs

80

624 +680.0%

ROPs

24

192 +700.0%

SM Count

—

156

Clocks

Base Clock

980 MHz

1590 MHz

Boost Clock

1032 MHz

2430 MHz

Memory Clock

1502 MHz 6 Gbps effective

1750 MHz 28 Gbps effective

Memory

Memory Size

2 GB

84 GB

VRAM (MB)

2,048

86,016 +4100.0%

Memory Type

GDDR5

GDDR7

Memory Bus

192 bit

448 bit

Bandwidth

144.2 GB/s

1.57 TB/s

Cache

L1 Cache

16 KB (per SMX)

128 KB (per SM)

L2 Cache

384 KB

128 MB

Performance

Pixel Rate

20.64 GPixel/s

466.6 GPixel/s

Texture Rate

82.56 GTexel/s

1,516.3 GTexel/s

FP32 (TFLOPS)

1.981 TFLOPS

97.04 TFLOPS

FP64 (TFLOPS)

82.56 GFLOPS (1:24)

1.516 TFLOPS (1:64)

FP16 (TFLOPS)

—

97.04 TFLOPS (1:1)

AI/RT

RT Cores

—

156

Tensor Cores

—

624

Power

TDP

140 W

600 W

TDP (W)

140

600 +328.6%

Suggested PSU

300 W

1000 W

Power Connectors

1x 6-pin

1x 16-pin

Architecture

Architecture

Kepler

Blackwell 2.0

GPU Name

GK106

GB202

Generation

GeForce 600

Blackwell PRO W (x000)

Process Size

28 nm

5 nm

Transistors

2,540 million

92,200 million

Die Size

221 mm²

750 mm²

Foundry

TSMC

TSMC

Density

11.5M / mm²

122.9M / mm²

API Support

DirectX

12 (11_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.175

1.4

OpenCL

3.0

3.0

CUDA

3.0

12.0

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

241 mm 9.5 inches

304 mm 12 inches

Height

—

137 mm 5.4 inches

Outputs

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

4x DisplayPort 2.1b

Bus Interface

PCIe 3.0 x16

PCIe 5.0 x16

Other

Launch Price

229 USD

8,565 USD

Production

End-of-life

Active

Predecessor

GeForce 500

Workstation Ada

Successor

GeForce 700

—

View GeForce GTX 660 Details View RTX 6000D Details