Radeon HD 3850 X3 vs GeForce GTX 555 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 1024MB VRAM GeForce GTX 555 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 3850 X3 Advantages
32 additional rendering cores
Lower TDP (145W vs 150W)
GeForce GTX 555 OEM Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (91.87GB/s vs 54.40GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 3850 X3
428
GeForce GTX 555 OEM
+98%
848
Graphics Card
Unknown
Release Date
May 2011
Radeon R600
Generation
GeForce 500
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
850 MHz
Memory Clock
957 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
192bit
54.40GB/s
Bandwidth
91.87GB/s
Render Config
4
Compute Units
-
-
SM Count
6
320
Shading Units
288
16
TMUs
48
16
ROPs
24
-
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
384 KB
Theoretical Performance
10.70 GPixel/s
Pixel Rate
8.832 GPixel/s
10.70 GTexel/s
Texture Rate
35.33 GTexel/s
428.2 GFLOPS
FP32 (float)
847.9 GFLOPS
-
FP64 (double)
70.66 GFLOPS
Board Design
145W
TDP
150W
300 W
Suggested PSU
450 W
4x DVI
Outputs
2x DVI
1x mini-HDMI 1.3a
1x mini-HDMI 1.3a
1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
RV670
GPU Name
GF114
RV670 PRO
(215-0708003)
(215-0708003)
GPU Variant
GF114-200-KB-A1
TeraScale
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.666 billion
Transistors
1.95 billion
192 mm²
Die Size
332 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_0)
3.3 (full)
4.0 (partial)
4.0 (partial)
OpenGL
4.6
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
4.1
Shader Model
5.1