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GPU Comparison
ATI Radeon HD 5450 vs AMD Radeon HD 7990
ATI Radeon HD 5450 vs AMD Radeon HD 7990
VS
ATI Radeon HD 5450
AMD Radeon HD 7990
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 5450 's Advantages
Lower TDP (19W vs 375W)
AMD Radeon HD 7990 's Advantages
Released 3 years and 2 months late
Boost Clock1000MHz
Larger VRAM bandwidth (288.0GB/s vs 6.400GB/s)
1968 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 5450
0.104 TFLOPS
Radeon HD 7990
+3838%
4.096 TFLOPS
Radeon HD 5450
VS
Radeon HD 7990
Graphics Card
Feb 2010
Release Date
Apr 2013
Evergreen
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
950 MHz
-
Boost Clock
1000 MHz
400 MHz
Memory Clock
1500 MHz
Memory
512MB
Memory Size
3GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
384bit
6.400GB/s
Bandwidth
288.0GB/s
Render Config
-
SM Count
-
2
Compute Units
32
80
Shading Units
2048
8
TMUs
128
4
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
768 KB
Theoretical Performance
2.600 GPixel/s
Pixel Rate
32.00 GPixel/s
5.200 GTexel/s
Texture Rate
128.0 GTexel/s
-
FP16 (half)
-
104.0 GFLOPS
FP32 (float)
4.096 TFLOPS
-
FP64 (double)
1024 GFLOPS
Graphics Processor
Cedar
GPU Name
Malta
Cedar PRO
GPU Variant
Malta XT (215-0849026)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.292 billion
Transistors
4.313 billion
59 mm²
Die Size
365 mm²
Board Design
19W
TDP
375W
200 W
Suggested PSU
750 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x DVI 4x mini-DisplayPort 1.2
None
Power Connectors
2x 8-pin
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
5.1
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