AMD Radeon Pro 460 vs AMD Radeon HD 7870 GHz Edition
GPU Specs Compare
Graphics Card
Release Date
Oct 2016
Mar 2012
Generation
Radeon Pro Mac
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
-
Boost Clock
907 MHz
-
Memory Clock
1270 MHz
1200 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
81.28GB/s
153.6GB/s
Render Config
Compute Units
16
20
Shading Units
1024
1280
TMUs
64
80
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
14.51 GPixel/s
32.00 GPixel/s
Texture Rate
58.05 GTexel/s
80.00 GTexel/s
FP16 (half)
1.858 TFLOPS
-
FP32 (float)
1.858 TFLOPS
2.560 TFLOPS
FP64 (double)
116.1 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
Baffin
Pitcairn
GPU Variant
Baffin XT
Pitcairn XT(215-0828047)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
3 billion
2.8 billion
Die Size
123 mm²
212 mm²
Board Design
TDP
35W
175W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1