Home GPU Comparison ATI Mobility Radeon HD 3870 vs NVIDIA GeForce 800A

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce 800A

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 1024MB VRAM GeForce 800A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages
Larger VRAM bandwidth (54.40GB/s vs 14.40GB/s)
272 additional rendering cores
NVIDIA GeForce 800A 's Advantages
Released 5 years and 9 months late
More VRAM (1024GB vs 512GB)
Lower TDP (15W vs 55W)

Score

Benchmark

FP32 (float)
Mobility Radeon HD 3870 +363%
0.422 TFLOPS
GeForce 800A
0.091 TFLOPS
VS

Graphics Card

Jun 2008
Release Date
Mar 2014
M8x
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
850 MHz
Memory Clock
900 MHz

Memory

512MB
Memory Size
1024MB
GDDR3
Memory Type
DDR3
256bit
Memory Bus
64bit
54.40GB/s
Bandwidth
14.40GB/s

Render Config

4
Compute Units
-
-
SM Count
1
320
Shading Units
48
16
TMUs
8
16
ROPs
4
-
-
-
-
-
-
-
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

10.56 GPixel/s
Pixel Rate
950.0 MPixel/s
10.56 GTexel/s
Texture Rate
3.800 GTexel/s
-
-
-
422.4 GFLOPS
FP32 (float)
91.20 GFLOPS
84.48 GFLOPS
FP64 (double)
7.600 GFLOPS

Board Design

55W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

M88
GPU Name
GF119
-
-
-
TeraScale
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.666 billion
Transistors
0.292 billion
192 mm²
Die Size
79 mm²

Graphics Features

10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
4.1
Shader Model
5.1

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