Home GPU Comparison AMD Radeon HD 7450 OEM vs AMD Radeon HD 7720 OEM

AMD Radeon HD 7450 OEM vs AMD Radeon HD 7720 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 1024MB VRAM Radeon HD 7720 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages
Lower TDP (18W vs 150W)
AMD Radeon HD 7720 OEM 's Advantages
Released 1 years and 2 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (134.4GB/s vs 8.528GB/s)
640 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7450 OEM
0.2 TFLOPS
Radeon HD 7720 OEM +572%
1.344 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Mar 2013
Southern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
533 MHz
Memory Clock
1050 MHz

Memory

512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
8.528GB/s
Bandwidth
134.4GB/s

Render Config

2
Compute Units
10
-
-
-
160
Shading Units
800
8
TMUs
40
4
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

2.500 GPixel/s
Pixel Rate
26.88 GPixel/s
5.000 GTexel/s
Texture Rate
33.60 GTexel/s
-
-
-
200.0 GFLOPS
FP32 (float)
1344 GFLOPS
-
-
-

Board Design

18W
TDP
150W
200 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.3a
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
None
Power Connectors
-

Graphics Processor

Caicos
GPU Name
Barts
Caimour
GPU Variant
Barts LE (215-0798002)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.37 billion
Transistors
1.7 billion
67 mm²
Die Size
255 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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