ATI Radeon HD 3550 vs AMD Radeon HD 6850 1440SP Edition
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3550 and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 3550 's Advantages
Lower TDP (30W vs 151W)
AMD Radeon HD 6850 1440SP Edition 's Advantages
Released 4 years late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (128.0GB/s vs 6.336GB/s)
1400 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 3550
0.048 TFLOPS
Radeon HD 6850 1440SP Edition
+4250%
2.088 TFLOPS
Graphics Card
Aug 2008
Release Date
Aug 2012
Radeon R600
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
396 MHz
Memory Clock
1000 MHz
Memory
512MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
256bit
6.336GB/s
Bandwidth
128.0GB/s
Render Config
2
Compute Units
18
-
-
-
40
Shading Units
1440
4
TMUs
72
4
ROPs
32
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
64 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
2.376 GPixel/s
Pixel Rate
23.20 GPixel/s
2.376 GTexel/s
Texture Rate
52.20 GTexel/s
-
-
-
47.52 GFLOPS
FP32 (float)
2.088 TFLOPS
-
FP64 (double)
417.6 GFLOPS
Board Design
30W
TDP
151W
200 W
Suggested PSU
450 W
2x DisplayPort
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
None
Power Connectors
2x 6-pin
Graphics Processor
RV620
GPU Name
Cypress
RV620 PRO
(215-0670006)
GPU Variant
Cypress PRO
(215-0735043)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.181 billion
Transistors
2.154 billion
67 mm²
Die Size
334 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
5.0
