Radeon HD 3850 X3 vs GeForce GT 440 Mac Edition
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 1024MB VRAM GeForce GT 440 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 3850 X3 Advantages
Larger VRAM bandwidth (54.40GB/s vs 21.34GB/s)
224 additional rendering cores
GeForce GT 440 Mac Edition Advantages
More VRAM (1024GB vs 512GB)
Lower TDP (65W vs 145W)
Score
Benchmark
FP32 (float)
Radeon HD 3850 X3
+37%
428
GeForce GT 440 Mac Edition
311
Graphics Card
Unknown
Release Date
Feb 2011
Radeon R600
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
850 MHz
Memory Clock
667 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
DDR3
256bit
Memory Bus
128bit
54.40GB/s
Bandwidth
21.34GB/s
Render Config
4
Compute Units
-
-
SM Count
2
320
Shading Units
96
16
TMUs
16
16
ROPs
4
-
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
256 KB
Theoretical Performance
10.70 GPixel/s
Pixel Rate
3.240 GPixel/s
10.70 GTexel/s
Texture Rate
12.96 GTexel/s
428.2 GFLOPS
FP32 (float)
311.0 GFLOPS
-
FP64 (double)
25.92 GFLOPS
Board Design
145W
TDP
65W
300 W
Suggested PSU
250 W
4x DVI
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x HDMI 1.3a
1x VGA
1x 8-pin
Power Connectors
None
Graphics Processor
RV670
GPU Name
GF108
RV670 PRO
(215-0708003)
(215-0708003)
GPU Variant
GF108-400-A1
TeraScale
Architecture
Fermi
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.666 billion
Transistors
0.585 billion
192 mm²
Die Size
116 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