Home GPU Comparison AMD Radeon Sky 900 vs AMD Radeon RX 590

AMD Radeon Sky 900 vs AMD Radeon RX 590

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 8GB VRAM Radeon RX 590 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 590 's Advantages
Released 5 years and 8 months late
Boost Clock has increased by 63% (1545MHz vs 950MHz)
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (256.0GB/s vs 240.0GB/s)
512 additional rendering cores
Lower TDP (175W vs 300W)

Score

Benchmark

FP32 (float)
Radeon Sky 900
3.405 TFLOPS
Radeon RX 590 +109%
7.119 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Nov 2018
Radeon Sky
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

825 MHz
Base Clock
1469 MHz
950 MHz
Boost Clock
1545 MHz
1250 MHz
Memory Clock
2000 MHz

Memory

3GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
256.0GB/s

Render Config

28
Compute Units
36
-
-
-
1792
Shading Units
2304
112
TMUs
144
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

30.40 GPixel/s
Pixel Rate
49.44 GPixel/s
106.4 GTexel/s
Texture Rate
222.5 GTexel/s
-
FP16 (half)
7.119 TFLOPS
3.405 TFLOPS
FP32 (float)
7.119 TFLOPS
851.2 GFLOPS
FP64 (double)
445.0 GFLOPS

Board Design

300W
TDP
175W
700 W
Suggested PSU
450 W
1x DVI 1x mini-DisplayPort 1.2
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 8-pin

Graphics Processor

Tahiti
GPU Name
Polaris 30
Orthrus
GPU Variant
Polaris 30 XT (215-0922006)
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
12 nm
4.313 billion
Transistors
5.7 billion
352 mm²
Die Size
232 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.4

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