Radeon HD 6630M vs GeForce 845M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6630M and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6630M Advantages
96 additional rendering cores
Lower TDP (26W vs 33W)
GeForce 845M Advantages
Released 4 years and 7 months late
Boost Clock1176MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (40.10GB/s vs 25.60GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 6630M
480
GeForce 845M
+88%
903
Graphics Card
Jan 2011
Release Date
Aug 2015
Vancouver
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1071 MHz
-
Boost Clock
1176 MHz
800 MHz
Memory Clock
1253 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
25.60GB/s
Bandwidth
40.10GB/s
Render Config
6
Compute Units
-
480
Shading Units
384
24
TMUs
32
8
ROPs
16
8 KB (per CU)
L1 Cache
64 KB (per SMM)
256 KB
L2 Cache
1024 KB
Theoretical Performance
4.000 GPixel/s
Pixel Rate
18.82 GPixel/s
12.00 GTexel/s
Texture Rate
37.63 GTexel/s
480.0 GFLOPS
FP32 (float)
903.2 GFLOPS
-
FP64 (double)
28.22 GFLOPS
Board Design
26W
TDP
33W
No outputs
Outputs
No outputs
Graphics Processor
Whistler
GPU Name
GM108
Whistler LP
GPU Variant
-
TeraScale 2
Architecture
Maxwell
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
Unknown
104 mm²
Die Size
Unknown
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
5.0
5.0
Shader Model
5.1