AMD Radeon HD 7850 vs AMD Radeon RX 550 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
Jul 2017
Generation
Southern Islands
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Clock Speeds
Memory Clock
1200 MHz
1500 MHz
Base Clock
—
1100 MHz
Boost Clock
—
1287 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
153.6GB/s
96.00GB/s
Render Config
Compute Units
16
10
Shading Units
1024
640
TMUs
64
40
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
27.52 GPixel/s
20.59 GPixel/s
Texture Rate
55.04 GTexel/s
51.48 GTexel/s
FP32 (float)
1.761 TFLOPS
1.647 TFLOPS
FP64 (double)
110.1 GFLOPS
103.0 GFLOPS
FP16 (half)
—
1.647 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Lexa
GPU Variant
Pitcairn PRO(215-0828062)
Lexa PRO(215-0904018)
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.8 billion
2.2 billion
Die Size
212 mm²
103 mm²
Board Design
TDP
130W
50W
Suggested PSU
300 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2
Shader Model
5.1
6.4
Benchmark
3DMark Time Spy
1,334
—
3DMark Time Spy Extreme
325
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.