ATI Radeon HD 3550 vs ATI Radeon HD 3850
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3550 and 512MB VRAM Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 3550 's Advantages
Released 9 months late
Lower TDP (30W vs 75W)
ATI Radeon HD 3850 's Advantages
Larger VRAM bandwidth (53.12GB/s vs 6.336GB/s)
280 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 3550
0.048 TFLOPS
Radeon HD 3850
+791%
0.428 TFLOPS
Graphics Card
Aug 2008
Release Date
Nov 2007
Radeon R600
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
396 MHz
Memory Clock
830 MHz
Memory
512MB
Memory Size
512MB
DDR2
Memory Type
GDDR3
64bit
Memory Bus
256bit
6.336GB/s
Bandwidth
53.12GB/s
Render Config
2
Compute Units
4
-
-
-
40
Shading Units
320
4
TMUs
16
4
ROPs
16
-
-
-
-
-
-
-
-
-
64 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
2.376 GPixel/s
Pixel Rate
10.69 GPixel/s
2.376 GTexel/s
Texture Rate
10.69 GTexel/s
-
-
-
47.52 GFLOPS
FP32 (float)
427.5 GFLOPS
-
FP64 (double)
85.50 GFLOPS
Board Design
30W
TDP
75W
200 W
Suggested PSU
250 W
2x DisplayPort
Outputs
2x DVI
1x S-Video
None
Power Connectors
1x 6-pin
Graphics Processor
RV620
GPU Name
RV670
RV620 PRO
(215-0670006)
GPU Variant
RV670 PRO
(215-0708003)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.181 billion
Transistors
0.666 billion
67 mm²
Die Size
192 mm²
Graphics Features
10.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3 (full)
4.0 (partial)
N/A
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
4.1
