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GPU Comparison
AMD Radeon HD 7770 GHz Edition vs AMD Radeon HD 8550 OEM
AMD Radeon HD 7770 GHz Edition vs AMD Radeon HD 8550 OEM
VS
AMD Radeon HD 7770 GHz Edition
AMD Radeon HD 8550 OEM
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 1024MB VRAM Radeon HD 8550 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7770 GHz Edition 's Advantages
Larger VRAM bandwidth (72.00GB/s vs 25.60GB/s)
160 additional rendering cores
AMD Radeon HD 8550 OEM 's Advantages
Released 1 years and 8 months late
Lower TDP (60W vs 80W)
Score
Benchmark
FP32 (float)
Radeon HD 7770 GHz Edition
+105%
1.28 TFLOPS
Radeon HD 8550 OEM
0.624 TFLOPS
Radeon HD 7770 GHz Edition
VS
Radeon HD 8550 OEM
Graphics Card
Feb 2012
Release Date
Oct 2013
Southern Islands
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1125 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
72.00GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
-
10
Compute Units
6
640
Shading Units
480
40
TMUs
24
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
16.00 GPixel/s
Pixel Rate
5.200 GPixel/s
40.00 GTexel/s
Texture Rate
15.60 GTexel/s
-
FP16 (half)
-
1280 GFLOPS
FP32 (float)
624.0 GFLOPS
80.00 GFLOPS
FP64 (double)
-
Graphics Processor
Cape Verde
GPU Name
Turks
Cape Verde XT
GPU Variant
Turks PRO (215-0803002)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
0.716 billion
123 mm²
Die Size
118 mm²
Board Design
80W
TDP
60W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
None
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
-
CUDA
-
5.1
Shader Model
5.0
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