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GPU Comparison
AMD Radeon HD 7720 OEM vs AMD Radeon HD 8450 OEM
AMD Radeon HD 7720 OEM vs AMD Radeon HD 8450 OEM
VS
AMD Radeon HD 7720 OEM
AMD Radeon HD 8450 OEM
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 1024MB VRAM Radeon HD 8450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7720 OEM 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 10.67GB/s)
640 additional rendering cores
AMD Radeon HD 8450 OEM 's Advantages
Lower TDP (18W vs 150W)
Score
Benchmark
FP32 (float)
Radeon HD 7720 OEM
+572%
1.344 TFLOPS
Radeon HD 8450 OEM
0.2 TFLOPS
Radeon HD 7720 OEM
VS
Radeon HD 8450 OEM
Graphics Card
Mar 2013
Release Date
Jan 2013
Southern Islands
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1050 MHz
Memory Clock
667 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
134.4GB/s
Bandwidth
10.67GB/s
Render Config
10
Compute Units
2
-
-
-
800
Shading Units
160
40
TMUs
8
32
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
26.88 GPixel/s
Pixel Rate
2.500 GPixel/s
33.60 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
1344 GFLOPS
FP32 (float)
200.0 GFLOPS
-
-
-
Board Design
150W
TDP
18W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
-
Power Connectors
None
Graphics Processor
Barts
GPU Name
Caicos
Barts LE (215-0798002)
GPU Variant
Caicos PRO-L
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
0.37 billion
255 mm²
Die Size
67 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
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