GPU Comparison

A

AMD

RADEON

AMD Radeon RX 7700 XT

CORE STATE Navi 32

VRAM 12 GB

CLOCK SPEED 2544 MHz

TDP 245 W

BUS WIDTH 192 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

VS

NVIDIA

GEFORCE

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

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

3,316

N/A

geekbench_opencl

127,549

11,347

geekbench_vulkan

132,758

11,368

passmark_directx_10

119

N/A

passmark_directx_11

232

N/A

passmark_directx_12

79

N/A

passmark_directx_9

294

N/A

passmark_g2d

1,161

N/A

passmark_g3d

22,547

N/A

passmark_gpu_compute

12,912

N/A

geekbench_metal

N/A

4,284

DETAILED SPECIFICATIONS

SPECIFICATION

RX 7700 XT

GTX 660

Core Specs

Shading Units

3,456

960 -72.2%

Shaders

3,456

960 -72.2%

TMUs

216

80 -63.0%

ROPs

96

24 -75.0%

Compute Units

54

—

Clocks

Base Clock

1435 MHz

980 MHz

Boost Clock

2544 MHz

1032 MHz

Game Clock

2171 MHz

—

Memory Clock

2250 MHz 18 Gbps effective

1502 MHz 6 Gbps effective

Memory

Memory Size

12 GB

2 GB

VRAM (MB)

12,288

2,048 -83.3%

Memory Type

GDDR6

GDDR5

Memory Bus

192 bit

192 bit

Bandwidth

432.0 GB/s

144.2 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per SMX)

L2 Cache

2 MB

384 KB

L3 Cache

48 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

244.2 GPixel/s

20.64 GPixel/s

Texture Rate

549.5 GTexel/s

82.56 GTexel/s

FP32 (TFLOPS)

35.17 TFLOPS

1.981 TFLOPS

FP64 (TFLOPS)

1,099.0 GFLOPS (1:32)

82.56 GFLOPS (1:24)

FP16 (TFLOPS)

70.34 TFLOPS (2:1)

—

AI/RT

RT Cores

54

—

Matrix Cores

108

—

Power

TDP

245 W

140 W

TDP (W)

245

140 -42.9%

Suggested PSU

550 W

300 W

Power Connectors

2x 8-pin

1x 6-pin

Architecture

Architecture

RDNA 3.0

Kepler

GPU Name

Navi 32

GK106

Codename

Wheat Nas

—

Generation

Navi III (RX 7000)

GeForce 600

Process Size

5 nm

28 nm

Transistors

28,100 million

2,540 million

Die Size

346 mm²

221 mm²

Foundry

TSMC

TSMC

Density

81.2M / mm²

11.5M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

2.2

3.0

CUDA

—

3.0

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Dual-slot

Dual-slot

Length

267 mm 10.5 inches

241 mm 9.5 inches

Height

135 mm 5.3 inches

—

Outputs

1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

Bus Interface

PCIe 4.0 x16

PCIe 3.0 x16

Other

Launch Price

449 USD

229 USD

Production

Active

End-of-life

Predecessor

Navi II

GeForce 500

Successor

Navi IV

GeForce 700

View Radeon RX 7700 XT Details View GeForce GTX 660 Details