AMD Radeon HD 7850 vs AMD Radeon Pro Vega 20
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
Nov 2018
Generation
Southern Islands
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
740 MHz
Base Clock
—
815 MHz
Boost Clock
—
1283 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
1024bit
Bandwidth
153.6GB/s
189.4GB/s
Render Config
Compute Units
16
20
Shading Units
1024
1280
TMUs
64
80
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
27.52 GPixel/s
41.06 GPixel/s
Texture Rate
55.04 GTexel/s
102.6 GTexel/s
FP32 (float)
1.761 TFLOPS
3.284 TFLOPS
FP64 (double)
110.1 GFLOPS
205.3 GFLOPS
FP16 (half)
—
6.569 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Vega 12
GPU Variant
Pitcairn PRO(215-0828062)
Vega 12 XTA
Architecture
GCN 1.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.8 billion
Unknown
Die Size
212 mm²
Unknown
Board Design
TDP
130W
100W
Suggested PSU
300 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
—
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2
Shader Model
5.1
6.3
Benchmark
3DMark Time Spy
1,334
2,596
3DMark Time Spy Extreme
325
1,211
▲ Specs Compare
Data sourced from official specifications and benchmark tests.