Home GPU Comparison AMD Radeon HD 8970M vs NVIDIA GeForce GTX 850A

AMD Radeon HD 8970M vs NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)
640 additional rendering cores
NVIDIA GeForce GTX 850A 's Advantages
Released 10 months late
Boost Clock has increased by 4% (936MHz vs 900MHz)
Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)
Radeon HD 8970M +92%
2.304 TFLOPS
GeForce GTX 850A
1.198 TFLOPS
VS

Graphics Card

May 2013
Release Date
Mar 2014
Solar System
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

850 MHz
Base Clock
902 MHz
900 MHz
Boost Clock
936 MHz
1200 MHz
Memory Clock
900 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
28.80GB/s

Render Config

-
SM Count
-
20
Compute Units
-
1280
Shading Units
640
80
TMUs
40
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
2 MB

Theoretical Performance

28.80 GPixel/s
Pixel Rate
14.98 GPixel/s
72.00 GTexel/s
Texture Rate
37.44 GTexel/s
-
FP16 (half)
-
2.304 TFLOPS
FP32 (float)
1198 GFLOPS
144.0 GFLOPS
FP64 (double)
37.44 GFLOPS

Graphics Processor

Neptune
GPU Name
GM107
Neptune XT (216-0847000)
GPU Variant
N15P-GT-A1
GCN 1.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
1.87 billion
212 mm²
Die Size
148 mm²

Board Design

100W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-

Graphics Features

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

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