GPU Comparison
RADEON
AMD Radeon RX 6600 LE
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2495 MHz
TDP
132 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2023
VS
GEFORCE
GeForce GTX 660
CORE STATE
GK106
VRAM
2 GB
CLOCK SPEED
1032 MHz
TDP
140 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6600 LE
GTX 660
Core Specs
Shading Units
1,792
960
-46.4%
Shaders
1,792
960
-46.4%
TMUs
112
80
-28.6%
ROPs
64
24
-62.5%
Compute Units
28
—
Clocks
Base Clock
1626 MHz
980 MHz
Boost Clock
2495 MHz
1032 MHz
Game Clock
2045 MHz
—
Memory Clock
1750 MHz
14 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
8 GB
2 GB
VRAM (MB)
8,192
2,048
-75.0%
Memory Type
GDDR6
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
224.0 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
32 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
159.7 GPixel/s
20.64 GPixel/s
Texture Rate
279.4 GTexel/s
82.56 GTexel/s
FP32 (TFLOPS)
8.942 TFLOPS
1.981 TFLOPS
FP64 (TFLOPS)
558.9 GFLOPS (1:16)
82.56 GFLOPS (1:24)
FP16 (TFLOPS)
17.88 TFLOPS (2:1)
—
AI/RT
RT Cores
28
—
Power
TDP
132 W
140 W
TDP (W)
132
140
+6.1%
Suggested PSU
300 W
300 W
Power Connectors
1x 8-pin
1x 6-pin
Architecture
Architecture
RDNA 2.0
Kepler
GPU Name
Navi 23
GK106
Generation
Navi II
(RX 6000)
GeForce 600
Process Size
7 nm
28 nm
Transistors
11,060 million
2,540 million
Die Size
237 mm²
221 mm²
Foundry
TSMC
TSMC
Density
46.7M / 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
2.1
3.0
CUDA
—
3.0
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
190 mm
7.5 inches
241 mm
9.5 inches
Height
110 mm
4.3 inches
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Other
Launch Price
—
229 USD
Production
Active
End-of-life
Predecessor
Navi
GeForce 500
Successor
Navi III
GeForce 700