Home GPU Comparison AMD Radeon HD 8870M vs NVIDIA GeForce 845M

AMD Radeon HD 8870M vs NVIDIA GeForce 845M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages
Larger VRAM bandwidth (72.00GB/s vs 40.10GB/s)
256 additional rendering cores
NVIDIA GeForce 845M 's Advantages
Released 2 years and 4 months late
Boost Clock has increased by 52% (1176MHz vs 775MHz)

Score

Benchmark

FP32 (float)
Radeon HD 8870M +9%
0.992 TFLOPS
GeForce 845M
0.903 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Aug 2015
Solar System
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

725 MHz
Base Clock
1071 MHz
775 MHz
Boost Clock
1176 MHz
1125 MHz
Memory Clock
1253 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
72.00GB/s
Bandwidth
40.10GB/s

Render Config

10
Compute Units
-
-
-
-
640
Shading Units
384
40
TMUs
32
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
256 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

12.40 GPixel/s
Pixel Rate
18.82 GPixel/s
31.00 GTexel/s
Texture Rate
37.63 GTexel/s
-
-
-
992.0 GFLOPS
FP32 (float)
903.2 GFLOPS
62.00 GFLOPS
FP64 (double)
28.22 GFLOPS

Board Design

Unknown
TDP
33W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Venus
GPU Name
GM108
Venus XT (216-0846000)
GPU Variant
-
GCN 1.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
Unknown
123 mm²
Die Size
Unknown

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
3.0
1.2.170
Vulkan
1.3
-
CUDA
5.0
6.5 (5.1)
Shader Model
5.1

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