AMD Radeon HD 7870 GHz Edition vs AMD Radeon RX 6550S
GPU Specs Compare
Graphics Card
Release Date
Mar 2012
Jan 2023
Generation
Southern Islands
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Memory Clock
1200 MHz
2000 MHz
Base Clock
-
2000 MHz
Boost Clock
-
2400 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
64bit
Bandwidth
153.6GB/s
128.0GB/s
Render Config
Compute Units
20
16
Shading Units
1280
1024
TMUs
80
64
ROPs
32
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
1024 KB
RT Cores
-
16
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
76.80 GPixel/s
Texture Rate
80.00 GTexel/s
153.6 GTexel/s
FP32 (float)
2.560 TFLOPS
4.915 TFLOPS
FP64 (double)
160.0 GFLOPS
307.2 GFLOPS
FP16 (half)
-
9.830 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 24
GPU Variant
Pitcairn XT(215-0828047)
Navi 24
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
2.8 billion
5.4 billion
Die Size
212 mm²
107 mm²
Board Design
TDP
175W
50W
Suggested PSU
450 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.3
Shader Model
5.1
6.7