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GPU Comparison
AMD Radeon HD 6770 vs AMD Radeon RX 550X
AMD Radeon HD 6770 vs AMD Radeon RX 550X
VS
AMD Radeon HD 6770
AMD Radeon RX 550X
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6770 's Advantages
288 additional rendering cores
AMD Radeon RX 550X 's Advantages
Released 7 years and 11 months late
Boost Clock1183MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 76.80GB/s)
Lower TDP (50W vs 108W)
Score
Benchmark
FP32 (float)
Radeon HD 6770
+12%
1.36 TFLOPS
Radeon RX 550X
1.211 TFLOPS
Radeon HD 6770
VS
Radeon RX 550X
Graphics Card
Jan 2011
Release Date
Dec 2018
Northern Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1100 MHz
-
Boost Clock
1183 MHz
1200 MHz
Memory Clock
1500 MHz
Memory
1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
76.80GB/s
Bandwidth
96.00GB/s
Render Config
10
Compute Units
8
-
-
-
800
Shading Units
512
40
TMUs
32
16
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
13.60 GPixel/s
Pixel Rate
18.93 GPixel/s
34.00 GTexel/s
Texture Rate
37.86 GTexel/s
-
FP16 (half)
1211 GFLOPS
1360 GFLOPS
FP32 (float)
1211 GFLOPS
-
FP64 (double)
75.71 GFLOPS
Board Design
108W
TDP
50W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
1x 6-pin
Power Connectors
None
Graphics Processor
Juniper
GPU Name
Lexa
Juniper XT (215-0754013)
GPU Variant
Lexa PRO (215-0904018)
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
1.04 billion
Transistors
2.2 billion
166 mm²
Die Size
103 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
6.4
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