Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon RX 7950 XTX

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon RX 7950 XTX

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

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Lower TDP (140W vs 355W)
AMD Radeon RX 7950 XTX 's Advantages
Boost Clock has increased by 220% (3300MHz vs 1032MHz)
More VRAM (24GB vs 2GB)
Larger VRAM bandwidth (960.0GB/s vs 144.2GB/s)
5184 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2
1.981 TFLOPS
Radeon RX 7950 XTX +3993%
81.1 TFLOPS
GeForce GTX 660 Rev. 2
VS
Radeon RX 7950 XTX

Graphics Card

Sep 2014
Release Date
Unknown
GeForce 600
Generation
Navi III
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

980 MHz
Base Clock
2200 MHz
1032 MHz
Boost Clock
3300 MHz
1502 MHz
Memory Clock
2500 MHz

Memory

2GB
Memory Size
24GB
GDDR5
Memory Type
GDDR6
192bit
Memory Bus
384bit
144.2GB/s
Bandwidth
960.0GB/s

Render Config

-
SM Count
-
-
Compute Units
96
960
Shading Units
6144
80
TMUs
384
24
ROPs
192
-
Tensor Cores
-
-
RT Cores
96
16 KB (per SMX)
L1 Cache
256 KB per Array
384 KB
L2 Cache
6 MB

Theoretical Performance

20.64 GPixel/s
Pixel Rate
633.6 GPixel/s
82.56 GTexel/s
Texture Rate
1267 GTexel/s
-
FP16 (half)
162.2 TFLOPS
1.981 TFLOPS
FP32 (float)
81.10 TFLOPS
82.56 GFLOPS
FP64 (double)
2.534 TFLOPS

Graphics Processor

GK104
GPU Name
Navi 31
-
GPU Variant
Navi 31 XTX+
Kepler
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
3.54 billion
Transistors
57.7 billion
294 mm²
Die Size
529 mm²

Board Design

140W
TDP
355W
300 W
Suggested PSU
750 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
1x 6-pin
Power Connectors
2x 8-pin

Graphics Features

12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.7

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