Radeon R9 280 vs Radeon HD 5450 PCI
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 280 's Advantages
Released 4 years and 1 months late
Boost Clock933MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (240.0GB/s vs 5.328GB/s)
1712 additional rendering cores
Radeon HD 5450 PCI 's Advantages
Lower TDP (19W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 280
+3115%
3344
Radeon HD 5450 PCI
104
Graphics Card
Mar 2014
Release Date
Feb 2010
Volcanic Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCI
Clock Speeds
827 MHz
Base Clock
-
933 MHz
Boost Clock
-
1250 MHz
Memory Clock
333 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
384bit
Memory Bus
64bit
240.0GB/s
Bandwidth
5.328GB/s
Render Config
28
Compute Units
2
1792
Shading Units
80
112
TMUs
8
32
ROPs
4
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
128 KB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
2.600 GPixel/s
104.5 GTexel/s
Texture Rate
5.200 GTexel/s
3.344 TFLOPS
FP32 (float)
104.0 GFLOPS
836.0 GFLOPS
FP64 (double)
-
Board Design
200W
TDP
19W
550 W
Suggested PSU
200 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.3a
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Tahiti
GPU Name
Cedar
Tahiti PRO3
(215-0821330)
GPU Variant
Cedar PRO
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
0.292 billion
352 mm²
Die Size
59 mm²
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
5.1
Shader Model
5.0
