Home GPU Comparison AMD Radeon HD 7970M vs NVIDIA GeForce 830A

AMD Radeon HD 7970M vs NVIDIA GeForce 830A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 2GB VRAM GeForce 830A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)
1024 additional rendering cores
NVIDIA GeForce 830A 's Advantages
Released 2 years and 3 months late
Boost Clock1150MHz
Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)
Radeon HD 7970M +269%
2.176 TFLOPS
GeForce 830A
0.589 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Jul 2014
London
Generation
GeForce 800A
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1082 MHz
-
Boost Clock
1150 MHz
1200 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
153.6GB/s
Bandwidth
14.40GB/s

Render Config

20
Compute Units
-
-
-
-
1280
Shading Units
256
80
TMUs
16
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

27.20 GPixel/s
Pixel Rate
9.200 GPixel/s
68.00 GTexel/s
Texture Rate
18.40 GTexel/s
-
-
-
2.176 TFLOPS
FP32 (float)
588.8 GFLOPS
136.0 GFLOPS
FP64 (double)
18.40 GFLOPS

Board Design

100W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Wimbledon
GPU Name
GM108
Wimbledon XT (216-0836036)
GPU Variant
-
GCN 1.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
Unknown
212 mm²
Die Size
Unknown

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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