AMD Radeon RX 460 Mobile vs AMD Radeon HD 6870
GPU · Specs Compare
Graphics Card
Release Date
Aug 2016
Oct 2010
Generation
Mobility Radeon
Northern Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 2.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
1180 MHz
—
Memory Clock
1250 MHz
1050 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
80.00GB/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
1024 KB
512 KB
Theoretical Performance
Pixel Rate
18.88 GPixel/s
28.80 GPixel/s
Texture Rate
66.08 GTexel/s
50.40 GTexel/s
FP16 (half)
2.115 TFLOPS
—
FP32 (float)
2.115 TFLOPS
2.016 TFLOPS
FP64 (double)
132.2 GFLOPS
—
Graphics Processor
GPU Name
Baffin
Barts
GPU Variant
Baffin XT
Barts XT(215-0798000)
Architecture
GCN 4.0
TeraScale 2
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
3 billion
1.7 billion
Die Size
123 mm²
255 mm²
Board Design
TDP
55W
151W
Outputs
No outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
None
2x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2
N/A
Shader Model
6.4
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.