Home GPU Comparison NVIDIA GeForce GTX 660 OEM vs AMD Radeon RX 550 512SP

NVIDIA GeForce GTX 660 OEM vs AMD Radeon RX 550 512SP

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 2GB VRAM Radeon RX 550 512SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 96.00GB/s)
640 additional rendering cores
AMD Radeon RX 550 512SP 's Advantages
Released 5 years and 2 months late
Boost Clock has increased by 21% (1071MHz vs 888MHz)
More VRAM (2GB vs 1536GB)
Lower TDP (50W vs 130W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 OEM +86%
2.046 TFLOPS
Radeon RX 550 512SP
1.097 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Oct 2017
GeForce 600
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

823 MHz
Base Clock
1019 MHz
888 MHz
Boost Clock
1071 MHz
1400 MHz
Memory Clock
1500 MHz

Memory

1536MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
128bit
134.4GB/s
Bandwidth
96.00GB/s

Render Config

-
Compute Units
8
-
-
-
1152
Shading Units
512
96
TMUs
32
24
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

21.31 GPixel/s
Pixel Rate
17.14 GPixel/s
85.25 GTexel/s
Texture Rate
34.27 GTexel/s
-
FP16 (half)
1097 GFLOPS
2.046 TFLOPS
FP32 (float)
1097 GFLOPS
85.25 GFLOPS
FP64 (double)
68.54 GFLOPS

Board Design

130W
TDP
50W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
1x 6-pin
Power Connectors
None

Graphics Processor

GK104
GPU Name
Baffin
GK104-200-KD-A2
GPU Variant
Baffin LE
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
3.54 billion
Transistors
3 billion
294 mm²
Die Size
123 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.4

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