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GPU Comparison
NVIDIA GeForce 800A vs AMD Radeon R5 A255
NVIDIA GeForce 800A vs AMD Radeon R5 A255
VS
NVIDIA GeForce 800A
AMD Radeon R5 A255
We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R5 A255 's Advantages
Boost Clock940MHz
Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)
336 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 800A
0.091 TFLOPS
Radeon R5 A255
+692%
0.721 TFLOPS
GeForce 800A
VS
Radeon R5 A255
Graphics Card
Mar 2014
Release Date
Jan 2014
GeForce 800A
Generation
All-In-One
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
925 MHz
-
Boost Clock
940 MHz
900 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
64.00GB/s
Render Config
1
SM Count
-
-
Compute Units
6
48
Shading Units
384
8
TMUs
24
4
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
950.0 MPixel/s
Pixel Rate
7.520 GPixel/s
3.800 GTexel/s
Texture Rate
22.56 GTexel/s
-
FP16 (half)
-
91.20 GFLOPS
FP32 (float)
721.9 GFLOPS
7.600 GFLOPS
FP64 (double)
-
Graphics Processor
GF119
GPU Name
Topaz
-
GPU Variant
Topaz PRO (216-0858030)
Fermi 2.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.292 billion
Transistors
1.55 billion
79 mm²
Die Size
125 mm²
Board Design
15W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.2.170
2.1
CUDA
-
5.1
Shader Model
6.5
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