Radeon RX 550 640SP vs Radeon HD 6770 Green Edition
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 550 640SP Advantages
Released 4 years and 6 months late
Boost Clock1071MHz
Larger VRAM bandwidth (96.00GB/s vs 21.34GB/s)
Lower TDP (60W vs 86W)
Radeon HD 6770 Green Edition Advantages
80 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 550 640SP
+36%
1371
Radeon HD 6770 Green Edition
1008
Graphics Card
Oct 2017
Release Date
Apr 2013
Polaris
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1019 MHz
Base Clock
-
1071 MHz
Boost Clock
-
1500 MHz
Memory Clock
667 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
96.00GB/s
Bandwidth
21.34GB/s
Render Config
10
Compute Units
9
640
Shading Units
720
40
TMUs
36
16
ROPs
16
16 KB (per CU)
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
256 KB
Theoretical Performance
17.14 GPixel/s
Pixel Rate
11.20 GPixel/s
42.84 GTexel/s
Texture Rate
25.20 GTexel/s
1371 GFLOPS
FP16 (half)
-
1371 GFLOPS
FP32 (float)
1008 GFLOPS
85.68 GFLOPS
FP64 (double)
-
Board Design
60W
TDP
86W
250 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
1x HDMI 2.0b
1x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
1x HDMI 1.3a
2x mini-DisplayPort 1.1
None
Power Connectors
-
Graphics Processor
Baffin
GPU Name
Juniper
Baffin LE
GPU Variant
Juniper LE
(215-0754009)
(215-0754009)
GCN 4.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
3 billion
Transistors
1.04 billion
123 mm²
Die Size
166 mm²
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2
Vulkan
N/A
6.4
Shader Model
5.0
