AMD Radeon RX 6600M vs ATI Radeon HD 5870
GPU Specs Compare
Graphics Card
Release Date
May 2021
Sep 2009
Generation
Mobility Radeon
Evergreen
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
2068 MHz
-
Boost Clock
2416 MHz
-
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
8GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
153.6GB/s
Render Config
Compute Units
28
20
Shading Units
1792
1600
TMUs
112
80
ROPs
64
32
RT Cores
28
-
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
2 MB
512 KB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
154.6 GPixel/s
27.20 GPixel/s
Texture Rate
270.6 GTexel/s
68.00 GTexel/s
FP16 (half)
17.32 TFLOPS
-
FP32 (float)
8.659 TFLOPS
2.720 TFLOPS
FP64 (double)
541.2 GFLOPS
544.0 GFLOPS
Graphics Processor
GPU Name
Navi 23
Cypress
Architecture
RDNA 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
7 nm
40 nm
Transistors
11.06 billion
2.154 billion
Die Size
237 mm²
334 mm²
GPU Variant
-
Cypress XT(215-0735033)
Board Design
TDP
100W
188W
Outputs
No outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
None
2x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.3
N/A
Shader Model
6.5
5.0