AMD Radeon HD 6930 vs AMD Radeon RX 580 2048SP
GPU Specs Compare
Graphics Card
Release Date
Dec 2011
Oct 2018
Generation
Northern Islands
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1750 MHz
Base Clock
-
1168 MHz
Boost Clock
-
1284 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
224.0GB/s
Render Config
Compute Units
20
32
Shading Units
1280
2048
TMUs
80
128
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
24.00 GPixel/s
41.09 GPixel/s
Texture Rate
60.00 GTexel/s
164.4 GTexel/s
FP32 (float)
1.920 TFLOPS
5.259 TFLOPS
FP64 (double)
480.0 GFLOPS
328.7 GFLOPS
FP16 (half)
-
5.259 TFLOPS
Graphics Processor
GPU Name
Cayman
Polaris 20
GPU Variant
Cayman CE(215-0807105)
Polaris 20 XL(215-0910052)
Architecture
TeraScale 3
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
2.64 billion
5.7 billion
Die Size
389 mm²
232 mm²
Board Design
TDP
186W
150W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.2
Shader Model
5.0
6.4
📊 Benchmark
3DMark Time Spy
-
3,826