AMD Radeon RX 7900 GRE vs NVIDIA GeForce GTX 660 OEM

VS

AMD Radeon RX 7900 GRE

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 GRE 's Advantages

Released 10 years and 11 months late

Boost Clock has increased by 153% (2245MHz vs 888MHz)

More VRAM (16GB vs 1536GB)

Larger VRAM bandwidth (576.0GB/s vs 134.4GB/s)

3968 additional rendering cores

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +2147%

45.98 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon RX 7900 GRE

VS

GeForce GTX 660 OEM

Graphics Card

Jul 2023

Release Date

Aug 2012

Navi III

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1287 MHz

Base Clock

823 MHz

2245 MHz

Boost Clock

888 MHz

2250 MHz

Memory Clock

1400 MHz

Memory

16GB

Memory Size

1536MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

576.0GB/s

Bandwidth

134.4GB/s

Render Config

80

Compute Units

-

5120

Shading Units

1152

320

TMUs

96

160

ROPs

24

-

80

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

384 KB

64 MB

L3 Cache

-

Theoretical Performance

359.2 GPixel/s

Pixel Rate

21.31 GPixel/s

718.4 GTexel/s

Texture Rate

85.25 GTexel/s

91.96 TFLOPS

FP16 (half)

-

45.98 TFLOPS

FP32 (float)

2.046 TFLOPS

1437 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

260W

TDP

130W

600 W

Suggested PSU

300 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

1x 6-pin

Graphics Processor

Navi 31

GPU Name

GK104

Navi 31 XL (215-145000206)

GPU Variant

GK104-200-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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