Radeon HD 3850 X3 vs GeForce GT 635 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 1024MB VRAM GeForce GT 635 OEM 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 14.40GB/s)
GeForce GT 635 OEM Advantages
More VRAM (1024GB vs 512GB)
64 additional rendering cores
Lower TDP (35W vs 145W)
Score
Benchmark
FP32 (float)
Radeon HD 3850 X3
428
GeForce GT 635 OEM
+73%
743
Graphics Card
Unknown
Release Date
Oct 2013
Radeon R600
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
850 MHz
Memory Clock
900 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
DDR3
256bit
Memory Bus
64bit
54.40GB/s
Bandwidth
14.40GB/s
Render Config
4
Compute Units
-
320
Shading Units
384
16
TMUs
32
16
ROPs
8
-
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
512 KB
Theoretical Performance
10.70 GPixel/s
Pixel Rate
7.736 GPixel/s
10.70 GTexel/s
Texture Rate
30.94 GTexel/s
428.2 GFLOPS
FP32 (float)
742.7 GFLOPS
-
FP64 (double)
30.94 GFLOPS
Board Design
145W
TDP
35W
300 W
Suggested PSU
200 W
4x DVI
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
1x HDMI 1.4a
1x VGA
1x 8-pin
Power Connectors
None
Graphics Processor
RV670
GPU Name
GK208
RV670 PRO
(215-0708003)
(215-0708003)
GPU Variant
-
TeraScale
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.666 billion
Transistors
1.02 billion
192 mm²
Die Size
87 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
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
4.1
Shader Model
5.1