AMD Radeon R9 M470X vs AMD Radeon HD 6870
GPU · Specs Compare
Graphics Card
Release Date
May 2016
Oct 2010
Generation
Gem System
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
1100 MHz
—
Memory Clock
1200 MHz
1050 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
76.80GB/s
134.4GB/s
Render Config
Compute Units
14
14
Shading Units
896
1120
TMUs
56
56
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
256 KB
512 KB
Theoretical Performance
Pixel Rate
17.60 GPixel/s
28.80 GPixel/s
Texture Rate
61.60 GTexel/s
50.40 GTexel/s
FP32 (float)
1.971 TFLOPS
2.016 TFLOPS
FP64 (double)
123.2 GFLOPS
—
Graphics Processor
GPU Name
Emerald
Barts
GPU Variant
Emerald XT
Barts XT(215-0798000)
Architecture
GCN 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
2.08 billion
1.7 billion
Die Size
160 mm²
255 mm²
Board Design
TDP
Unknown
151W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Suggested PSU
—
450 W
Power Connectors
—
2x 6-pin
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2.170
N/A
Shader Model
6.5
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.