GeForce 845M vs Radeon R5 A320
We compared two Mobile platform GPUs: 2GB VRAM GeForce 845M and 1024MB VRAM Radeon R5 A320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 845M 's Advantages
Released 7 months late
Boost Clock has increased by 43% (1176MHz vs 825MHz)
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (40.10GB/s vs 16.00GB/s)
64 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 845M
+71%
903
Radeon R5 A320
528
Graphics Card
Aug 2015
Release Date
Jan 2015
GeForce 800M
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
1071 MHz
Base Clock
750 MHz
1176 MHz
Boost Clock
825 MHz
1253 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
64bit
40.10GB/s
Bandwidth
16.00GB/s
Render Config
-
Compute Units
5
384
Shading Units
320
32
TMUs
20
16
ROPs
8
64 KB (per SMM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
128 KB
Theoretical Performance
18.82 GPixel/s
Pixel Rate
6.600 GPixel/s
37.63 GTexel/s
Texture Rate
16.50 GTexel/s
903.2 GFLOPS
FP32 (float)
528.0 GFLOPS
28.22 GFLOPS
FP64 (double)
-
Board Design
33W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
GM108
GPU Name
Jet
-
GPU Variant
Jet PRO
(216-0856040)
Maxwell
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
0.69 billion
Unknown
Die Size
56 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.3
Vulkan
1.2.170
5.0
CUDA
-
5.1
Shader Model
6.5 (5.1)