AMD Radeon HD 6870 1600SP Edition vs AMD Radeon Pro Vega 56
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Aug 2017
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
786 MHz
Base Clock
—
1138 MHz
Boost Clock
—
1250 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
2048bit
Bandwidth
134.4GB/s
402.4GB/s
Render Config
Compute Units
20
56
Shading Units
1600
3584
TMUs
80
224
ROPs
32
64
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
80.00 GPixel/s
Texture Rate
68.00 GTexel/s
280.0 GTexel/s
FP32 (float)
2.720 TFLOPS
8.960 TFLOPS
FP64 (double)
544.0 GFLOPS
560.0 GFLOPS
FP16 (half)
—
17.92 TFLOPS
Graphics Processor
GPU Name
Cypress
Vega 10
GPU Variant
Cypress XT(215-0735033)
Vega 10 XL(215-0894216)
Architecture
TeraScale 2
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
2.154 billion
12.5 billion
Die Size
334 mm²
495 mm²
Board Design
TDP
175W
210W
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
2x 6-pin
None
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
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.