AMD Radeon HD 6870 1600SP Edition vs AMD Radeon Pro Vega 20
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Nov 2018
Generation
Northern Islands
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 MHz
740 MHz
Base Clock
-
815 MHz
Boost Clock
-
1283 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
1024bit
Bandwidth
134.4GB/s
189.4GB/s
Render Config
Compute Units
20
20
Shading Units
1600
1280
TMUs
80
80
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
41.06 GPixel/s
Texture Rate
68.00 GTexel/s
102.6 GTexel/s
FP32 (float)
2.720 TFLOPS
3.284 TFLOPS
FP64 (double)
544.0 GFLOPS
205.3 GFLOPS
FP16 (half)
-
6.569 TFLOPS
Graphics Processor
GPU Name
Cypress
Vega 12
GPU Variant
Cypress XT(215-0735033)
Vega 12 XTA
Architecture
TeraScale 2
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
2.154 billion
Unknown
Die Size
334 mm²
Unknown
Board Design
TDP
175W
100W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
-
Graphics Features
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.2
Shader Model
5.0
6.3
📊 Benchmark
3DMark Time Spy
-
2,596
3DMark Time Spy Extreme
-
1,211