Radeon HD 6790 vs Radeon HD 5490
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 1024MB VRAM Radeon HD 5490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6790 Advantages
Larger VRAM bandwidth (134.4GB/s vs 8.000GB/s)
720 additional rendering cores
Radeon HD 5490 Advantages
Released 1 years and 6 months late
Lower TDP (19W vs 150W)
Score
Benchmark
FP32 (float)
Radeon HD 6790
+1192%
1344
Radeon HD 5490
104
Graphics Card
Apr 2011
Release Date
Oct 2012
Northern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1050 MHz
Memory Clock
500 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
134.4GB/s
Bandwidth
8.000GB/s
Render Config
10
Compute Units
2
800
Shading Units
80
40
TMUs
8
16
ROPs
4
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
13.44 GPixel/s
Pixel Rate
2.600 GPixel/s
33.60 GTexel/s
Texture Rate
5.200 GTexel/s
1344 GFLOPS
FP32 (float)
104.0 GFLOPS
Board Design
150W
TDP
19W
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x HDMI 1.3a
1x DisplayPort 1.1
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x HDMI 1.3a
1x VGA
2x 6-pin
Power Connectors
None
Graphics Processor
Barts
GPU Name
Cedar
Barts LE
(215-0798002)
(215-0798002)
GPU Variant
Cedar XTX
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
0.292 billion
255 mm²
Die Size
59 mm²
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
5.0
Shader Model
5.0
