Radeon HD 7770 GHz Edition vs Radeon HD 3650
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 256MB VRAM Radeon HD 3650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7770 GHz Edition 's Advantages
Released 4 years and 1 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (72.00GB/s vs 25.60GB/s)
520 additional rendering cores
Radeon HD 3650 's Advantages
Lower TDP (65W vs 80W)
Score
Benchmark
FP32 (float)
Radeon HD 7770 GHz Edition
+635%
1280
Radeon HD 3650
174
Graphics Card
Feb 2012
Release Date
Jan 2008
Southern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1125 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
72.00GB/s
Bandwidth
25.60GB/s
Render Config
10
Compute Units
3
640
Shading Units
120
40
TMUs
8
16
ROPs
4
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
128 KB
Theoretical Performance
16.00 GPixel/s
Pixel Rate
2.900 GPixel/s
40.00 GTexel/s
Texture Rate
5.800 GTexel/s
1280 GFLOPS
FP32 (float)
174.0 GFLOPS
80.00 GFLOPS
FP64 (double)
-
Board Design
80W
TDP
65W
250 W
Suggested PSU
250 W
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
2x DVI
1x S-Video
1x 6-pin
Power Connectors
None
Graphics Processor
Cape Verde
GPU Name
RV635
Cape Verde XT
GPU Variant
RV635 PRO
(215-0682008)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.5 billion
Transistors
0.378 billion
123 mm²
Die Size
135 mm²
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
N/A
1.2
Vulkan
N/A
5.1
Shader Model
4.1
