Home GPU Comparison NVIDIA GeForce 805A vs AMD Radeon R9 M275

NVIDIA GeForce 805A vs AMD Radeon R9 M275

NVIDIA GeForce 805A
VS
AMD Radeon R9 M275
NVIDIA GeForce 805A
AMD Radeon R9 M275
We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 2GB VRAM Radeon R9 M275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages
Released 6 months late
AMD Radeon R9 M275 's Advantages
Boost Clock has increased by 22% (925MHz vs 758MHz)
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (64.00GB/s vs 16.02GB/s)
448 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 805A
0.291 TFLOPS
Radeon R9 M275 +306%
1.184 TFLOPS
GeForce 805A
VS
Radeon R9 M275

Graphics Card

Jul 2014
Release Date
Jan 2014
GeForce 800A
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

719 MHz
Base Clock
900 MHz
758 MHz
Boost Clock
925 MHz
1001 MHz
Memory Clock
1000 MHz

Memory

1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
16.02GB/s
Bandwidth
64.00GB/s

Render Config

-
Compute Units
10
-
-
-
192
Shading Units
640
16
TMUs
40
8
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

6.064 GPixel/s
Pixel Rate
14.80 GPixel/s
12.13 GTexel/s
Texture Rate
37.00 GTexel/s
-
-
-
291.1 GFLOPS
FP32 (float)
1184 GFLOPS
12.13 GFLOPS
FP64 (double)
74.00 GFLOPS

Board Design

15W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-

Graphics Processor

GK208
GPU Name
Venus
-
GPU Variant
Venus XTX (216-0846033)
Kepler 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.02 billion
Transistors
1.5 billion
87 mm²
Die Size
123 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.1
Vulkan
1.2.170
3.5
CUDA
-
5.1
Shader Model
6.5 (5.1)

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