GeForce GTX 680M vs Mobility Radeon HD 4830
We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 1024MB VRAM Mobility Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680M 's Advantages
Released 3 years and 3 months late
Boost Clock758MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (115.2GB/s vs 25.60GB/s)
704 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 680M
+218%
2038
Mobility Radeon HD 4830
640
Graphics Card
Jun 2012
Release Date
Mar 2009
GeForce 600M
Generation
M9x
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
719 MHz
Base Clock
-
758 MHz
Boost Clock
-
900 MHz
Memory Clock
800 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
25.60GB/s
Render Config
-
Compute Units
8
1344
Shading Units
640
112
TMUs
32
32
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
21.22 GPixel/s
Pixel Rate
8.000 GPixel/s
84.90 GTexel/s
Texture Rate
16.00 GTexel/s
2.038 TFLOPS
FP32 (float)
640.0 GFLOPS
84.90 GFLOPS
FP64 (double)
128.0 GFLOPS
Board Design
100W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
GK104
GPU Name
M97
N13E-GTX-A2
GPU Variant
M97 M2
(216-0731004)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.826 billion
294 mm²
Die Size
137 mm²
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1