GeForce GTX 550 Ti vs Radeon HD 3870 X2
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 550 Ti and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 550 Ti Advantages
Released 3 years and 2 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (98.50GB/s vs 57.66GB/s)
Lower TDP (116W vs 165W)
Radeon HD 3870 X2 Advantages
128 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 550 Ti
+30%
691
Radeon HD 3870 X2
528
Graphics Card
Mar 2011
Release Date
Jan 2008
GeForce 500
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1026 MHz
Memory Clock
901 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
256bit
98.50GB/s
Bandwidth
57.66GB/s
Render Config
-
Compute Units
4
4
SM Count
-
192
Shading Units
320
32
TMUs
16
24
ROPs
16
64 KB (per SM)
L1 Cache
-
384 KB
L2 Cache
256 KB
Theoretical Performance
7.200 GPixel/s
Pixel Rate
13.20 GPixel/s
28.80 GTexel/s
Texture Rate
13.20 GTexel/s
691.2 GFLOPS
FP32 (float)
528.0 GFLOPS
57.60 GFLOPS
FP64 (double)
105.6 GFLOPS
Board Design
116W
TDP
165W
300 W
Suggested PSU
450 W
2x DVI
1x mini-HDMI 1.3a
1x mini-HDMI 1.3a
Outputs
2x DVI
1x S-Video
1x S-Video
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GF116
GPU Name
R680
GF116-400-A1
GPU Variant
R680 XT
(215-0708017)
(215-0708017)
Fermi 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.17 billion
Transistors
0.666 billion
238 mm²
Die Size
192 mm²
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full)
4.0 (partial)
4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
4.1