AMD Radeon RX 7950 XTX vs NVIDIA GeForce GTX 660 Ti

VS

AMD Radeon RX 7950 XTX

NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7950 XTX and 2GB VRAM GeForce GTX 660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock has increased by 237% (3300MHz vs 980MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (960.0GB/s vs 144.2GB/s)

4800 additional rendering cores

NVIDIA GeForce GTX 660 Ti 's Advantages

Lower TDP (150W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XTX +2978%

81.1 TFLOPS

GeForce GTX 660 Ti

2.634 TFLOPS

Radeon RX 7950 XTX

VS

GeForce GTX 660 Ti

Graphics Card

Unknown

Release Date

Aug 2012

Navi III

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2200 MHz

Base Clock

915 MHz

3300 MHz

Boost Clock

980 MHz

2500 MHz

Memory Clock

1502 MHz

Memory

24GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

192bit

960.0GB/s

Bandwidth

144.2GB/s

Render Config

96

Compute Units

-

6144

Shading Units

1344

384

TMUs

112

192

ROPs

24

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

384 KB

96 MB

L3 Cache

-

Theoretical Performance

633.6 GPixel/s

Pixel Rate

27.44 GPixel/s

1267 GTexel/s

Texture Rate

109.8 GTexel/s

162.2 TFLOPS

FP16 (half)

-

81.10 TFLOPS

FP32 (float)

2.634 TFLOPS

2.534 TFLOPS

FP64 (double)

109.8 GFLOPS

Board Design

355W

TDP

150W

750 W

Suggested PSU

450 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 31

GPU Name

GK104

Navi 31 XTX+

GPU Variant

GK104-300-KD-A2

RDNA 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

3.54 billion

529 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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