Home GPU Comparison AMD Radeon HD 7970M vs NVIDIA GeForce GT 445M

AMD Radeon HD 7970M vs NVIDIA GeForce GT 445M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 1024MB VRAM GeForce GT 445M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages
Released 1 years and 7 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 40.00GB/s)
1136 additional rendering cores
NVIDIA GeForce GT 445M 's Advantages
Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)
Radeon HD 7970M +563%
2.176 TFLOPS
GeForce GT 445M
0.328 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Sep 2010
London
Generation
GeForce 400M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1200 MHz
Memory Clock
625 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
40.00GB/s

Render Config

20
Compute Units
-
-
SM Count
3
1280
Shading Units
144
80
TMUs
24
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

27.20 GPixel/s
Pixel Rate
3.420 GPixel/s
68.00 GTexel/s
Texture Rate
13.68 GTexel/s
-
-
-
2.176 TFLOPS
FP32 (float)
328.3 GFLOPS
136.0 GFLOPS
FP64 (double)
27.36 GFLOPS

Board Design

100W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Wimbledon
GPU Name
GF106
Wimbledon XT (216-0836036)
GPU Variant
N11E-GE-A1
GCN 1.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
1.17 billion
212 mm²
Die Size
238 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
5.1
Shader Model
5.1

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