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GPU Comparison
AMD Radeon RX 550 640SP vs AMD Radeon HD 7770 GHz Edition
AMD Radeon RX 550 640SP vs AMD Radeon HD 7770 GHz Edition
VS
AMD Radeon RX 550 640SP
AMD Radeon HD 7770 GHz Edition
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 550 640SP 's Advantages
Released 5 years and 8 months late
Boost Clock1071MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)
Lower TDP (60W vs 80W)
Score
Benchmark
FP32 (float)
Radeon RX 550 640SP
+7%
1.371 TFLOPS
Radeon HD 7770 GHz Edition
1.28 TFLOPS
Radeon RX 550 640SP
VS
Radeon HD 7770 GHz Edition
Graphics Card
Oct 2017
Release Date
Feb 2012
Polaris
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1019 MHz
Base Clock
-
1071 MHz
Boost Clock
-
1500 MHz
Memory Clock
1125 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
96.00GB/s
Bandwidth
72.00GB/s
Render Config
10
Compute Units
10
-
-
-
640
Shading Units
640
40
TMUs
40
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
17.14 GPixel/s
Pixel Rate
16.00 GPixel/s
42.84 GTexel/s
Texture Rate
40.00 GTexel/s
1371 GFLOPS
FP16 (half)
-
1371 GFLOPS
FP32 (float)
1280 GFLOPS
85.68 GFLOPS
FP64 (double)
80.00 GFLOPS
Board Design
60W
TDP
80W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Processor
Baffin
GPU Name
Cape Verde
Baffin LE
GPU Variant
Cape Verde XT
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
3 billion
Transistors
1.5 billion
123 mm²
Die Size
123 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.4
Shader Model
5.1
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