Radeon HD 5870 Eyefinity 6 vs Radeon R9 390
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 5870 Eyefinity 6 and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 5870 Eyefinity 6 's Advantages
Lower TDP (228W vs 275W)
Radeon R9 390 's Advantages
Released 5 years and 3 months late
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 153.6GB/s)
960 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 5870 Eyefinity 6
2720
Radeon R9 390
+88%
5120
Graphics Card
Mar 2010
Release Date
Jun 2015
Evergreen
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1200 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
512bit
153.6GB/s
Bandwidth
384.0GB/s
Render Config
20
Compute Units
40
1600
Shading Units
2560
80
TMUs
160
32
ROPs
64
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
64.00 GPixel/s
68.00 GTexel/s
Texture Rate
160.0 GTexel/s
2.720 TFLOPS
FP32 (float)
5.120 TFLOPS
544.0 GFLOPS
FP64 (double)
640.0 GFLOPS
Board Design
228W
TDP
275W
550 W
Suggested PSU
600 W
6x mini-DisplayPort 1.1
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Cypress
GPU Name
Grenada
Cypress XT
(215-0735033)
GPU Variant
Grenada PRO
(215-0880030)
TeraScale 2
Architecture
GCN 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.154 billion
Transistors
6.2 billion
334 mm²
Die Size
438 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.0
N/A
Vulkan
1.2
5.0
Shader Model
6.3
