Home GPU Comparison NVIDIA GeForce 840A vs AMD Radeon E8860

NVIDIA GeForce 840A vs AMD Radeon E8860

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 2GB VRAM Radeon E8860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages
Boost Clock has increased by 80% (1124MHz vs 625MHz)
Lower TDP (33W vs 37W)
AMD Radeon E8860 's Advantages
Larger VRAM bandwidth (72.00GB/s vs 16.02GB/s)
256 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 840A +7%
0.863 TFLOPS
Radeon E8860
0.8 TFLOPS
VS

Graphics Card

Mar 2014
Release Date
Jan 2014
GeForce 800A
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

1029 MHz
Base Clock
575 MHz
1124 MHz
Boost Clock
625 MHz
1001 MHz
Memory Clock
1125 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
16.02GB/s
Bandwidth
72.00GB/s

Render Config

-
Compute Units
10
-
-
-
384
Shading Units
640
16
TMUs
40
8
ROPs
16
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

8.992 GPixel/s
Pixel Rate
10.00 GPixel/s
17.98 GTexel/s
Texture Rate
25.00 GTexel/s
-
-
-
863.2 GFLOPS
FP32 (float)
800.0 GFLOPS
26.98 GFLOPS
FP64 (double)
50.00 GFLOPS

Board Design

33W
TDP
37W
-
-
-
No outputs
Outputs
1x VGA
-
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GM108
GPU Name
Venus
-
GPU Variant
Venus MCM
Maxwell
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
1.5 billion
Unknown
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)
1.3
Vulkan
1.2.170
5.0
CUDA
-
5.1
Shader Model
6.5 (5.1)

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