AMD Radeon RX 580 2048SP vs AMD Radeon HD 6850 1440SP Edition
GPU · Specs Compare
Graphics Card
Release Date
Oct 2018
Aug 2012
Generation
Polaris
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1168 MHz
—
Boost Clock
1284 MHz
—
Memory Clock
1750 MHz
1000 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
224.0GB/s
128.0GB/s
Render Config
Compute Units
32
18
Shading Units
2048
1440
TMUs
128
72
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
41.09 GPixel/s
23.20 GPixel/s
Texture Rate
164.4 GTexel/s
52.20 GTexel/s
FP16 (half)
5.259 TFLOPS
—
FP32 (float)
5.259 TFLOPS
2.088 TFLOPS
FP64 (double)
328.7 GFLOPS
417.6 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Cypress
GPU Variant
Polaris 20 XL(215-0910052)
Cypress PRO(215-0735043)
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
151W
Suggested PSU
450 W
450 W
Outputs
1x DVI1x HDMI 2.0b3x DisplayPort 1.4a
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
1x 8-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
1.2
N/A
Shader Model
6.4
5.0
Benchmark
3DMark Time Spy
3,826
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.