AMD Radeon RX 480 vs AMD Radeon HD 6870 1600SP Edition
GPU Specs Compare
Graphics Card
Release Date
Jun 2016
Jan 2013
Generation
Arctic Islands
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1120 MHz
-
Boost Clock
1266 MHz
-
Memory Clock
2000 MHz
1050 MHz
Memory
Memory Size
8GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
256.0GB/s
134.4GB/s
Render Config
Compute Units
36
20
Shading Units
2304
1600
TMUs
144
80
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
40.51 GPixel/s
27.20 GPixel/s
Texture Rate
182.3 GTexel/s
68.00 GTexel/s
FP16 (half)
5.834 TFLOPS
-
FP32 (float)
5.834 TFLOPS
2.720 TFLOPS
FP64 (double)
364.6 GFLOPS
544.0 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Cypress
GPU Variant
Polaris 10 XT(215-0876184)
Cypress XT(215-0735033)
Architecture
GCN 4.0
TeraScale 2
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
5.7 billion
2.154 billion
Die Size
232 mm²
334 mm²
Board Design
TDP
150W
175W
Suggested PSU
450 W
450 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
1x 6-pin
2x 6-pin
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.3
N/A
Shader Model
6.7
5.0